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": ""}
 1473925 AD  1988-05-21 ?a]       c p michigan    !<|Y cornales     Lenawee /  -84.01257 u     United States MW25/   2 florida cornus Oa4    w. of . end of mcphail dr., madison twp. SH     uU  cornaceae
{"catalogNumber": "1473925", "order": "Cornales", "family": "Cornaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cornus", "subgenus": "", "specificEpithet": "florida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1988-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "W. of S. end of McPhail Dr., Madison Twp.", "decimalLatitude": "", "decimalLongitude": "-84.012557", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}