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": ""}
 ACvz3 h. karst.   9 floating, frequent   IV  araceae alismatales ~k      1662556  LF _1 with lemna minor, on surface of shallow water in cepalanthus occidentalis marsh       1979-09-20 /i 5    5279  `z   ontario %#       Canada   
{"catalogNumber": "1662556", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "H. Karst.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5279", "verbatimEventDate": "1979-09-20", "habitat": "with Lemna minor, on surface of shallow water in Cepalanthus Occidentalis marsh", "occurrenceRemarks": "floating, frequent", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}