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": ""}
1644280 * UMK  SMALL PIECE OF PAD TISSUE COLLECTED IN SILICA GEL FOR GENETIC ANALYSIS; S BRINKER PHOTOS; 7 PLANTS SEEN, ONE HAD FLOWERED (3 FLOWER); PLANTS PLANTED HERE (POTTING MEDIUM SURROUNDING ROOTS) [8l Y      cespitosa -E         g$2  opuntia cespitosa     M. J. Oldham 6PI    0k open sand, with sprse scirpus pungens; under partial shade &of populus      yZ  RAF. 
{"catalogNumber": "1644280", "order": "", "family": "", "scientificName": "Opuntia cespitosa", "scientificNameAuthorship": "Raf.", "genus": "", "subgenus": "", "specificEpithet": "cespitosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham", "recordNumber": "", "verbatimEventDate": "", "habitat": "Open sand, with sparse Scirpus pungens; under partial shade of Populus", "occurrenceRemarks": "Small piece of pad tissue collected in silica gel for genetic analysis; S Brinker photos; 7 plants seen, one had flowered (3 flowers); plants planted here (potting medium surrounding roots)", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}