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": ""}
Tamarack Swamp, Pr   B4H calvin h. kauffman giganteus m   Asteraceae c   #x vanercook lak3. jackson UNITED STATES wK     helianthus tWK^3   8I O subsp.   d helianthus iganteus subsp. giganteus Michigan MNhc  Jackson A  42.1903g4  ks X   W asterales 1254059 Zm?      |X `@ GIGANTEUS  1921-07-30 jwn     h j -84.40327 
{"catalogNumber": "1254059", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helianthus giganteus subsp. giganteus", "scientificNameAuthorship": "", "genus": "Helianthus", "subgenus": "", "specificEpithet": "giganteus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "giganteus", "identifiedBy": "", "recordedBy": "Calvin H. Kauffman", "recordNumber": "", "verbatimEventDate": "1921-07-30", "habitat": "Tamarack Swamp,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Jackson", "municipality": "", "locality": "Vandercook Lake. Jackson,", "decimalLatitude": "42.19034", "decimalLongitude": "-84.40327", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}