Patient reports they were taking Amoxicillin in the past but are not taking it now

{
  "resourceType" : "MedicationStatement",
  "id" : "example004",
  "status" : "recorded",
  "medication" : {
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "27658006",
        "display" : "Product containing amoxicillin (medicinal product)"
      }]
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "effectiveDateTime" : "2014-01-23",
  "dateAsserted" : "2015-02-22",
  "informationSource" : [{
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  }],
  "note" : [{
    "text" : "Patient indicates they miss the occasional dose"
  }],
  "dosage" : [{
    "text" : "one capsule three times daily",
    "timing" : {
      "repeat" : {
        "frequency" : 3,
        "period" : 1,
        "periodUnit" : "d"
      }
    },
    "asNeeded" : false,
    "route" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "260548002",
        "display" : "Oral"
      }]
    },
    "maxDosePerPeriod" : [{
      "numerator" : {
        "value" : 3,
        "unit" : "capsules",
        "system" : "http://snomed.info/sct",
        "code" : "385055001"
      },
      "denominator" : {
        "value" : 1,
        "system" : "http://unitsofmeasure.org",
        "code" : "d"
      }
    }]
  }],
  "adherence" : {
    "code" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/CodeSystem/medication-statement-adherence",
        "code" : "not-taking",
        "display" : "Not Taking"
      }]
    },
    "reason" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "266710000",
        "display" : "Drugs not taken/completed"
      }]
    }
  }
}