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": ""}
         XANTHOSOMA MEXICANUM W(  21.85 g    XANTHOSOMA AguJ   lat. 21â°51'0'' long. [-]104â°44'0'' q       !o P@ MEXICO     1993-0820 ]    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Xanthosoma mexicanum", "scientificNameAuthorship": "", "genus": "Xanthosoma", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1993-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "21.85", "decimalLongitude": "", "verbatimCoordinates": "Lat. 21\u00c2\u00b051'0'' Long. [-]104\u00c2\u00b044'0''", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}