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": ""}
  C 7 Koeleria macrantha  DC United States    0x cyrus l.^ lunoell  m1i (LEDEB.) SCHULT. MACRANTHA      7/  POACEAE  Jho 1944-08-26   9nkJ BREWSTER   Cb  13213        rKI[/ contact um herbarium     TEXAS C8R  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Koeleria macrantha", "scientificNameAuthorship": "(Ledeb.) Schult.", "genus": "", "subgenus": "", "specificEpithet": "macrantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus L. Lundell", "recordNumber": "13213", "verbatimEventDate": "1944-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}