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": ""}
 n!M MICHIGAN  2x` 2009-07-19  -86.4961833 j D   g united states l.     Anton A. Reznicek    Ludington State Park    1479165 E   ~ NIGRA   9s ) 146 Fagales ?  One 20 ft tall tree on north open slope by Big Sable River; sandy soil. *    u mason     juglandaceae o.!  david c. dister !y0     44.0351333 oTMgK 
{"catalogNumber": "1479165", "order": "Fagales", "family": "Juglandaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "David C. Dister", "recordNumber": "146", "verbatimEventDate": "2009-07-19", "habitat": "One 20 ft tall tree on north open slope by Big Sable River; sandy soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "Ludington State Park", "decimalLatitude": "44.0351333", "decimalLongitude": "-86.4961833", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}