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": ""}
    y 1981-08-1  CAYENNE hf    4905 ^WZ  french guiana RD s   ) WL Granville    BUNCHOSIA DECUSSIFLORA RS       1546620 vf    ~Ca Bunc9hosia   P F MALPIGHIALES  W. R. ANDERSON  B  
{"catalogNumber": "1546620", "order": "Malpighiales", "family": "", "scientificName": "Bunchosia decussiflora", "scientificNameAuthorship": "W. R. Anderson", "genus": "Bunchosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Granville", "recordNumber": "4905", "verbatimEventDate": "1981-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "French Guiana", "stateProvince": "Cayenne", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}