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": ""}
  0)+Q W.R. CARR, MARKH. MAYFIELD  D!B 12504    -98.42 r  1510511 *Lk       29.2 ~A^ T     Bexar D      malpighiales C0Q+     
{"catalogNumber": "1510511", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.R. Carr, Mark H. Mayfield", "recordNumber": "12504", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Bexar", "municipality": "", "locality": "", "decimalLatitude": "29.2", "decimalLongitude": "-98.42", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}