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": ""}
thalictrum venulosum P     0$@[s Anton A. Reznicek  Xo cB 2008-06-20  WILLIAM A. MACKINNON Q!:   -85.749343 J    M trel. 2574 5z     un UNITED STATES   Ng  Mackinac    2  MICHIGAN 46.20758 [| *U  venulosum ~b<9t   1479645 ,& i   ` R3ANUbNCULALES   
{"catalogNumber": "1479645", "order": "Ranunculales", "family": "", "scientificName": "Thalictrum venulosum", "scientificNameAuthorship": "Trel.", "genus": "", "subgenus": "", "specificEpithet": "venulosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William A. MacKinnon", "recordNumber": "2574", "verbatimEventDate": "2008-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "", "decimalLatitude": "46.207958", "decimalLongitude": "-85.749343", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}