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": ""}
 Xg craig c. freeman United States +     bremer t?r      PC POALES CAREX gYG   Zo 19855 Wahlenb. &U`   grisea 8|  IOWA |  Wavrly, SE side of town, Babcock Wood.  5 0I  TRS: T91N R14W SEC 12 NW1/4 SW1/4 x+tz$   2003-05-24 +ecE  CAREX GRISEA #   42.707 GcK-   1372304 >[8`     -92.452 
{"catalogNumber": "1372304", "order": "Poales", "family": "", "scientificName": "Carex grisea", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "grisea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Craig C. Freeman", "recordNumber": "19855", "verbatimEventDate": "2003-05-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Iowa", "county": "Bremer", "municipality": "", "locality": "Waverly, SE side of town, Babcock Woods.", "decimalLatitude": "42.707", "decimalLongitude": "-92.452", "verbatimCoordinates": "TRS: T91N R14W sec 12 NW1/4 SW1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}