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": ""}
  asparagales f.b%       MICHOACAN x   agave cupreata %   c la costillon (la ceiba costillona); 2 mi s of tzitzio   i cupreata   oZ ROCKY OAK SLOPE 1967-12-15  S_;f  19.5568 #xZ m         B<PY! howard s. gentry mexico  obH   3| trel. & a.berger  
{"catalogNumber": "", "order": "Asparagales", "family": "", "scientificName": "Agave cupreata", "scientificNameAuthorship": "Trel. & A.Berger", "genus": "", "subgenus": "", "specificEpithet": "cupreata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "", "verbatimEventDate": "1967-12-15", "habitat": "Rocky oak slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "La Costillona (La Ceiba Costillona); 2 mi S of Tzitzio", "decimalLatitude": "19.5568", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}