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": ""}
CAREX GRAVIDA uXl3e     ~#r S BLACK HILLS, GA 7 AIR MI N OF HULETT.  poales E L!Z    7A ronald l. hartman  carex uH.    7nZw cyperaceae 15917 aTiM   ?4) l. h. bailey  F  i 1#983-07-12   -`X gravida  united states 4 p        
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex gravida", "scientificNameAuthorship": "L. H. Bailey", "genus": "Carex", "subgenus": "", "specificEpithet": "gravida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ronald L. Hartman", "recordNumber": "15917", "verbatimEventDate": "1983-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Black Hills, ca 7 air mi N of Hulett.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}