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": ""}
        4 O south carolina   ax poales CAREX BROMOIDES SUBSP. BROMOIDES Egs>t    23461 xRS    TABLE ROCK RESERVOIR WATERSHED, BETWEEN LAKE & HEATH HOUSE GAP, JUST SOUTHEAST OF BRUSHY KNOB.  XV       b bromoides  Carex k    J 1992-06-22   x Ou subsp.  * 671
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex bromoides subsp. bromoides", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "bromoides", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "23461", "verbatimEventDate": "1992-06-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "South Carolina", "county": "", "municipality": "", "locality": "Table Rock Reservoir watershed, between lake & Heath House Gap, just southeast of Brushy Knob.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "671", "maximumElevationInMeters": ""}