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": ""}
   43.10472 ?V   R Clinton    u8 fC ASTERALES (L.) PERS. 2 SEP   ASTERACEAE o5E   UNITED STATES U!      Erigeron annuus   ANNVUS  pB  -84.69194 x)2U<  ESSEX TWP., SEC. 10, 2 1/2 MILES SOUTHEAST OF MAPLE RAPIDS. #  west edge woodlot in opening in oak-hickory U    $Nk>i 1952-06-21 George W. Parmelee & Peter A. Hyypio     #[ @ 161  YM( ERIGERON michigan q&<;  
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron annuus", "scientificNameAuthorship": "(L.) Pers.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "annuus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Parmelee & Peter A. Hyypio", "recordNumber": "161", "verbatimEventDate": "1952-06-21", "habitat": "West edge woodlot in opening in oak-hickory", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Clinton", "municipality": "", "locality": "Essex Twp., Sec. 10, 2 1/2 miles southeast of Maple Rapids.", "decimalLatitude": "43.10472", "decimalLongitude": "-84.69194", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}