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": ""}
   q 21285              ;B MEXCO talpa de allende sW    MeW+g 1960-11-22     cG PRUNUS TETRADENIA  ~ precipitous mountainsides, tropical forest in ravines, with many oaks, prvnus, trema, fraxinus, not much seen.   -104.831 jO|  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Prunus tetradenia", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "21285", "verbatimEventDate": "1960-11-22", "habitat": "Precipitous mountainsides, tropical forest in ravines, with many oaks, Prunus, Trema, Fraxinus, not much seen.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Talpa de Allende", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-104.831", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}