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": ""}
 William R. Overlease W    = CONVOLVULACEAE  + ARVENSIS   :? , convolvulus arvensis Convolvulus C     tXt 1222568  I ]b in road gravel,  W1  almira road about 2 miles east of osborn.  c L. 2877 w   0=@pn Solanales  f  BENZIE    1964-07-01 Nf     michigan BD)   ] united states 
{"catalogNumber": "1222568", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Convolvulus arvensis", "scientificNameAuthorship": "L.", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William R. Overlease", "recordNumber": "2877", "verbatimEventDate": "1964-07-01", "habitat": "In road gravel,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Benzie", "municipality": "", "locality": "Almira Road about 2 miles east of Osborn.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}