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": ""}
  GL united states   1933-07-19 G W   ? Conyza canadensis  d09.Y (L.) RONQUIST 2512 1W  carl o. grassl GXz    c 45.104398  [Y?3 candensis  ] !F] on dumping grounds    T :~ michigan   CfUK 1253302 conyza 2=hH    Asteraceae 8      p3nqu -87.622221 near the new bridge city of menominee m   . MENOMINEE
{"catalogNumber": "1253302", "order": "", "family": "Asteraceae", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "2512", "verbatimEventDate": "1933-07-19", "habitat": "On dumping grounds", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "near the new bridge city of Menominee", "decimalLatitude": "45.104398", "decimalLongitude": "-87.622221", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}