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": ""}
 5S  BEXAR    1c[-A DR. THURBER     KG UNITED STATES     e 1853-04   $d` s.n.   ASTERALES J!kF~     k prolifera  TEXAS   LE[  EVAX 5o]   S nutt. e dc.  <  san antonio  It[f 1538602 evax prolifera D  Asteraceae H  LO  
{"catalogNumber": "1538602", "order": "Asterales", "family": "Asteraceae", "scientificName": "Evax prolifera", "scientificNameAuthorship": "Nutt. ex DC.", "genus": "Evax", "subgenus": "", "specificEpithet": "prolifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dr. Thurber", "recordNumber": "s.n.", "verbatimEventDate": "1853-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Bexar", "municipality": "", "locality": "San Antonio", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}