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": ""}
   1659692 @F9RN  brewster )g# E        am Commelinales    Pzb UNITED STATES    b| Aquatic Leoncita Springs; Kokernot ranch; foothills of Davis Mountains    [vqR 1950-09-07 BARTON H. WARNOCK zs45   &>_* HETERAENTHERA RENIFORMIS reniformis +c   =C texas  ; RUIZ & PAV.  Het3ranthera D= <   h 1 9663 
{"catalogNumber": "1659692", "order": "Commelinales", "family": "", "scientificName": "Heteranthera reniformis", "scientificNameAuthorship": "Ruiz & Pav.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "reniformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barton H. Warnock", "recordNumber": "9663", "verbatimEventDate": "1950-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Aquatic Leoncita Springs; Kokernot ranch; foothills of Davis Mountains", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}