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": ""}
       J4 United States      _T Sedum acre   X L.      SAXIFRAGALES m     YI$ melinda f. denton  C Pg crassulaceae  L 6ZI 1665287   ^A-  PLANTS LOCALLY FREQUENT ON ROCK WALL ALONG HIGHWAY; FLOWERS YELLOW 
{"catalogNumber": "1665287", "order": "Saxifragales", "family": "Crassulaceae", "scientificName": "Sedum acre", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Melinda F. Denton", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "plants locally frequent on rock wall along highway; flowers yellow", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}