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": ""}
 Y@ 1950-07-04  ~L angustifolium  charles d. richards F  3510 2)J   6 var.  Michigan `r&/1  ERICALES pU    vaccinium  C 5l  vaccinium angustifolium var. nigrum mj1      2k&M NIGRUM  n7 Low shrub on dry, pYen slope above Sphagnum bog       (a|ph. Swood) dole  Z` GOGEBIC  C]& ALONG U.S. 45 JUST NORTH OF THE WISCONSIN BORDER 1268771 D5h  Ericaceae +>SQ  united states @a 
{"catalogNumber": "1268771", "order": "Ericales", "family": "Ericaceae", "scientificName": "Vaccinium angustifolium var. nigrum", "scientificNameAuthorship": "(Alph. Wood) Dole", "genus": "Vaccinium", "subgenus": "", "specificEpithet": "angustifolium", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nigrum", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "3510", "verbatimEventDate": "1950-07-04", "habitat": "Low shrub on dry, open slope above Sphagnum bog", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gogebic", "municipality": "", "locality": "along U.S. 45 just north of the Wisconsin border", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}