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": ""}
  `:o_F oaxaca    i0#OJ 1950-08-10  -96.6627 Rr    BROMUS EXALTA7US GG0qa  BERNH. 4J       $ exaltatus poales a.   BOONE HALLBERG kG       cb-v mexic   17.1529 &yi  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Bromus exaltatus", "scientificNameAuthorship": "Bernh.", "genus": "", "subgenus": "", "specificEpithet": "exaltatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Boone Hallberg", "recordNumber": "", "verbatimEventDate": "1950-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "", "decimalLatitude": "17.1529", "decimalLongitude": "-96.6627", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}