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": ""}
       H ASPARAGACEAE Mexico E   h. gentry & r. engard  %    Coahuila N   39.fU muevo atalaya (san marcos); n end of sierra san marcos, s f cuatro cienegas   -102.107 ^t`De    U 1973-05-09   w* 1981 Agave parrasana  ;      
{"catalogNumber": "", "order": "", "family": "Asparagaceae", "scientificName": "Agave parrasana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Gentry & R. Engard", "recordNumber": "", "verbatimEventDate": "1973-05-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "", "municipality": "", "locality": "Nuevo Atalaya (San Marcos); N end of Sierra San Marcos, S of Cuatro Cienegas", "decimalLatitude": "", "decimalLongitude": "-102.107", "verbatimCoordinates": "", "minimumElevationInMeters": "1981", "maximumElevationInMeters": ""}