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": ""}
 7 muhlenbergia   Gc MUHLENBERGIA FRONDOSA    1239031 (POIR.) FERNALD  @s  frondosa Y    V# s.n.   i2a NEAR ISLAND PARK, HURON RIVER, ANN ARBOR EDWARD G. VOSS 4    Frieda Cobb eZ_r  1918-09-10 % ;   MICHIGAN bBy^   o8 -83.72938  P0ACEAE jg  WASHTENAW 4W  42.290q302 Lq)    E=v POALES      &  F united states
{"catalogNumber": "1239031", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia frondosa", "scientificNameAuthorship": "(Poir.) Fernald", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "frondosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Frieda Cobb", "recordNumber": "s.n.", "verbatimEventDate": "1918-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Near Island Park, Huron River, Ann Arbor", "decimalLatitude": "42.290302", "decimalLongitude": "-83.72938", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}