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": ""}
 vk IRON       r 3.1 MILE5 WEST OF JVNCTION OF HIGHWAYS 21 & N AT GRANITEVILLE WOODS  (IN&C DAVID CASTANER CAREX jrx`   m ~  7046 carex digitalis var. digitalis  ~   _ DIGITALIS var. X2t m    United States 1  1368539 3k    Xz9M| DIGITALIS 1982-06-13 gLvB^   Missouri B#_P   MO Cyperaceae   POALES ?4     
{"catalogNumber": "1368539", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex digitalis var. digitalis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "digitalis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "digitalis", "identifiedBy": "", "recordedBy": "David Castaner", "recordNumber": "7046", "verbatimEventDate": "1982-06-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "Iron", "municipality": "", "locality": "3.1 miles west of junction of Highways 21 & N at Graniteville Woods.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}