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": ""}
  CONTACT UM HERBARIUM w@$z   6923 f98wO     Panicum i   1949-12-08 f.b0    poaceae Q9E8N        r1udgei D 8    i~ PANICUM RUDGEI   n(wY poales ROEM. & SCHULT. zQ%r    Z  PERCY H. GENTLE
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum rudgei", "scientificNameAuthorship": "Roem. & Schult.", "genus": "Panicum", "subgenus": "", "specificEpithet": "rudgei", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Percy H. Gentle", "recordNumber": "6923", "verbatimEventDate": "1949-12-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}