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": ""}
HOWARD S. GENTRY  a        6nVD! 1143946  $h0kc tamaulipas   | =Z8 IMPRESSA   THORN FOREST, DARK CLAY SOIL 9&  1967-12-17  (O  22561 u5M]  h.s.qentry N=.-     AGAVE 0T  ASPARAGALES [T LG  -98.6322 M     @ MEXICO  -l agave impressa  
{"catalogNumber": "1143946", "order": "Asparagales", "family": "", "scientificName": "Agave impressa", "scientificNameAuthorship": "H.S.Gentry", "genus": "Agave", "subgenus": "", "specificEpithet": "impressa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "22561", "verbatimEventDate": "1967-12-17", "habitat": "Thorn forest, dark clay soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-98.6322", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}