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": ""}
AT NW HEADWATERS OF COBB POND, "ST. LO" PORTION OF TRAINING AREA 12. F3Xf$     :o CHAPM.      south carolina A   O% Poales TENAX ~   JOHN B. NELSON y  Carex tenax ~=s  12683 A   d,c  RICHLAND   7  1389172        ~uo carex  
{"catalogNumber": "1389172", "order": "Poales", "family": "", "scientificName": "Carex tenax", "scientificNameAuthorship": "Chapm.", "genus": "Carex", "subgenus": "", "specificEpithet": "tenax", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "12683", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "South Carolina", "county": "Richland", "municipality": "", "locality": "At NW headwaters of Cobb Pond, \"St. Lo\" portion of Training Area 12.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}