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": ""}
    1644290 r    CARYOPHYLLALES M   In shale chips on sunny bank |Vj           united states c%8l   Kentucky ~/   Opuntia cespitosa IV+ [H   ?g, 115  ? ( Clark   :CN opuntia  c+[ raf.   [o 1 1/2 miles SE of Indian Fields 
{"catalogNumber": "1644290", "order": "Caryophyllales", "family": "", "scientificName": "Opuntia cespitosa", "scientificNameAuthorship": "Raf.", "genus": "Opuntia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "115", "verbatimEventDate": "", "habitat": "In shale chips on sunny bank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Clark", "municipality": "", "locality": "1 1/2 miles SE of Indian Fields", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}