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": ""}
   tf 1971-08-18   U VIRGINIANA  w2/ porcupine mountains state park, ca. 1-2 mi. ne of mouth of carp river, shore of lake superior United States s   1344999 cHAh   ONTONAGON aOC     Frequent trailing vine, sandstone crevices along shore   -,i    =9  RKANUNC$ULACEAE           L3|  clematis Clematis virginiana  0HL   
{"catalogNumber": "1344999", "order": "", "family": "Ranunculaceae", "scientificName": "Clematis virginiana", "scientificNameAuthorship": "", "genus": "Clematis", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1971-08-18", "habitat": "Frequent trailing vine, sandstone crevices along shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Ontonagon", "municipality": "", "locality": "Porcupine Mountains State Park, ca. 1-2 mi. NE of mouth of Carp River, shore of Lake Superior", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}