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": ""}
 A8  michigan    Y Robert W. Smith    wu = N. OF CANADAIGUA RD., E. OF BEAN CR., MEDINA TWP. T8SR1ES1, SW QTR OF SE QTR     Xxv=m 41.7993  NF lenawee 4272 Fz R   DK 5 1257853 L. z   ASTERALES _D3     v  b  asteraceae  united states /+    L roadside thru fen,   Sonchus Ov  
{"catalogNumber": "1257853", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "4272", "verbatimEventDate": "", "habitat": "roadside thru fen,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "n. of Canadaigua Rd., e. of Bean Cr., Medina Twp. T8SR1ES1, sw qtr of se qtr", "decimalLatitude": "41.79993", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}