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": ""}
1838-06-23 ?lxl    s.n. vB  UNITED STATES cq=2     asteraceae A+F  ERIGRON &n*   DD7q FIRST GEOLOGICAL SURVEY OF MICHIGAN, 1837Â1840, DOUGLASS HOUGHTON, STATE GEOLOGIST; ABRAM SAGER, BOTANIST AND ZOOLOGIST, 1837; JOHN WRIGHT, STATE BOTANIST, 1838, ASSISTED BY GEORGE H. BULL [DATA FROM A TYPED LABEL PREPARED CA. 1920.] [COORDINATES AT FIRST SISTER LAKE (DOLPH PARK)] woods Y` H   G @ wasbtkenaw   asterales Z^R;N   michig4n ; E v       erigeron pulchellus 4w    %, -83.7965 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron pulchellus", "scientificNameAuthorship": "", "genus": "Erigeron", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1838-06-23", "habitat": "Woods", "occurrenceRemarks": "First Geological Survey of Michigan, 1837\u00e2\u0080\u00931840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull [Data from a typed label prepared ca. 1920.] [Coordinates at First Sister Lake (Dolph Park)]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.7965", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}