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": ""}
     astragalus potosinus !  FABACEAE Iq0Z   fabales N30(7  r. barney 9v0   0)9 GUANAJUATO astraqalus  le!(    yjBM 20.9921    sergio villalã³n; ese san josã© iturbide, 5 mi w of cerro zamorano W   Mk rogers mcvaugh  X6U -100.367        
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Astragalus potosinus", "scientificNameAuthorship": "", "genus": "Astragalus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Barneby", "recordedBy": "Rogers McVaugh", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Guanajuato", "county": "", "municipality": "", "locality": "Sergio Villal\u00c3\u00b3n; ESE San Jos\u00c3\u00a9 Iturbide, 5 mi W of Cerro Zamorano", "decimalLatitude": "20.9921", "decimalLongitude": "-100.367", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}