Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
  1664415<b  no data         OV6 new zealand         ESCULENTA HF     qn  colocasia esculenta Taro.t Plants up to 4 ft. in height =ANr    GROWING ON WEST-ERLY FACING MARSH BETWEEN TWO HIGH HILLS, IN SATURATED SOIL VI6     k =S (L.) Schott 
{"catalogNumber": "1664415", "order": "", "family": "", "scientificName": "Colocasia esculenta", "scientificNameAuthorship": "(L.) Schott", "genus": "", "subgenus": "", "specificEpithet": "esculenta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Growing on west-erly facing marsh between two high hills, in saturated soil", "occurrenceRemarks": "Taro. Plants up to 4 ft. in height", "associatedTaxa": "", "country": "New Zealand", "stateProvince": "no data", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}