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": ""}
  6A UNITED STATES  B[vvT artemisiifolia  Along disturbededge of ural gravel driveway. Mostly open, in dry sandy loam. Wit, Bromus inermis, Setaria pumila, Panicum capillare. &  2019-09-01  4OnO  ICHIGAN  J8C(    @3 1516    ~Ij. Ambrosia 6450 North 2nd Street. T-1-S, R-12-W, NW 1/4 of SW 1/4 of section 29. Ca. 9.25 miles NW of Kalamazoo S44c/   ;E ASTERALES   R. G. SCHIPPER R    abundant. w    & ) Ambrosia artemisiifolia     
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Ambrosia artemisiifolia", "scientificNameAuthorship": "", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "artemisiifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. G. Schipper", "recordNumber": "1516", "verbatimEventDate": "2019-09-01", "habitat": "Along disturbed edge of rural gravel driveway. Mostly open, in dry sandy loam. Wit, Bromus inermis, Setaria pumila, Panicum capillare.", "occurrenceRemarks": "Abundant.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "6450 North 2nd Street. T-1-S, R-12-W, NW 1/4 of SW 1/4 of section 29. Ca. 9.25 miles NW of Kalamazoo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}