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": ""}
 u United States   Y common   MZT MICHIGAN   cO symphyotrichum firmum (Nees) G. L. NesIom +nX|W    D  -83.806323 1962-09-04 VLt>   firmum idi    ! Washtenaw asteraceae wA*e    `9HOj 10915  W_ anton a. r&eznicek William S. Benninghoff < nb     N#M# at e. end of 3rd sister lake, saginaw forest, ann arbor  rE bI asterales  a! 42.275954 SYMPHYOTRICHUM %o   1477902 7rO0 
{"catalogNumber": "1477902", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William S. Benninghoff", "recordNumber": "10915", "verbatimEventDate": "1962-09-04", "habitat": "", "occurrenceRemarks": "Common", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "At E. end of 3rd Sister Lake, Saginaw Forest, Ann Arbor", "decimalLatitude": "42.275954", "decimalLongitude": "-83.806323", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}