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": ""}
Unknown !     (<eF -117.9975 PERENNANS  >    dP: 1931-07-24  rBC poaceae   U Agrostis   Agrostis perennans (~ Tf   e] Victor Duran  UNITED STATES 2o;   ;<^$ poales      M8Rk= 37.3505556   B2g. inyo 1403850 ?wV     (walter) tuck.  31Je 
{"catalogNumber": "1403850", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis perennans", "scientificNameAuthorship": "(Walter) Tuck.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "perennans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Victor Duran", "recordNumber": "", "verbatimEventDate": "1931-07-24", "habitat": "", "occurrenceRemarks": "Unknown", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Inyo", "municipality": "", "locality": "", "decimalLatitude": "37.3505556", "decimalLongitude": "-117.9975", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}