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": ""}
1985-05-23     =  (PURSH) DC.  Field. cXZ7>     R=LjR sanginea      -fR south fox island, east of airstrip.     .n brian t. hazlett   ! Amelanchier   E> AMELANCHIER SANGUINEA 3136 7wY   LW,M Michigan   BV H$ rosaceae  s!Xp$ 1463743  
{"catalogNumber": "1463743", "order": "", "family": "Rosaceae", "scientificName": "Amelanchier sanguinea", "scientificNameAuthorship": "(Pursh) DC.", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "sanguinea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Brian T. Hazlett", "recordNumber": "3136", "verbatimEventDate": "1985-05-23", "habitat": "Field.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "South Fox Island, east of airstrip.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}