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": ""}
Charcas /R    : Charcas; Charcas  23.1295 F`@9     (schult.) pilg. h:     7JF^ Poales SAN LUIS POTOSI J;E      QA 500  cognata =U   Poaceae YO   *d  1934-07  1120406 =O8    uIfa digitaria    T0 Alfred F. Whiting  
{"catalogNumber": "1120406", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Schult.) Pilg.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "cognata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alfred F. Whiting", "recordNumber": "500", "verbatimEventDate": "1934-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "San Luis Potosi", "county": "Charcas", "municipality": "", "locality": "Charcas; Charcas", "decimalLatitude": "23.1295", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}