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": ""}
  rQ united states  I poales     U_c9 31.333889        CAREX j   Ca. 14 mi. NNE of Crosby, Homochitto National Forest, E of Forest Road 107L. R 4%           TRS: T4N R4E SEC 7; 31Â° 20' 02" N 90Â° 50' 51" W W 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Ca. 14 mi. NNE of Crosby, Homochitto National Forest, E of Forest Road 107L.", "decimalLatitude": "31.333889", "decimalLongitude": "", "verbatimCoordinates": "TRS: T4N R4E sec 7; 31\u00c2\u00b0 20' 02\" N 90\u00c2\u00b0 50' 51\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}