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": ""}
 (L.) R. Br. =n/DS      , Calystegia sepium  Q#: Solanales calystegia .6     G -83.41883 42.73586 5(=v      sepium @,*     United States   !>C   ds  1888-07 michiganB ksv   y 1222468   !+ OAKLAND Convolvulaceae za_H     K;j clarkston 
{"catalogNumber": "1222468", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Calystegia sepium", "scientificNameAuthorship": "(L.) R. Br.", "genus": "Calystegia", "subgenus": "", "specificEpithet": "sepium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1888-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Clarkston", "decimalLatitude": "42.73586", "decimalLongitude": "-83.41883", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}