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": ""}
lactuca serriola  Dg4  SERRIOLA ea   U 1903     qd -83.726329  asterales b &    0 WASHTENAW  6]oQ_ Lactuca ann arbor, third woods. c|1R       ] <Ni 1255462  JQM S.N.     JEAN DAWSON MICHIG,AN PG$t   L. ?M]82  united states 1u-  Asteraceae  NN   42.270872 dQ= 
{"catalogNumber": "1255462", "order": "Asterales", "family": "Asteraceae", "scientificName": "Lactuca serriola", "scientificNameAuthorship": "L.", "genus": "Lactuca", "subgenus": "", "specificEpithet": "serriola", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jean Dawson", "recordNumber": "s.n.", "verbatimEventDate": "1903", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor, Third Woods.", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}