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": ""}
  do)[ ASTERLES     yL6G N1/2 NW1/4 SEC 1 T42N-R16W.   United States XvJa   x?  canadensis  l; ^7 conyza canadensis    1971-09-03  l 2 schoolcraft   Ki)=k 291   O6  MICHIGAN  Conyza eoJN      1253335 J9.    R<5 DON HENSON 46.06892 x6j)d 
{"catalogNumber": "1253335", "order": "Asterales", "family": "", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "", "genus": "Conyza", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "291", "verbatimEventDate": "1971-09-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "N1/2 NW1/4 Sec 1 T42N-R16W.", "decimalLatitude": "46.06892", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}