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": ""}
 .y 45.022953     ](= (L.) R. BR. CONVOLVULACEAE u]   1984-07-30 |         *XX UNITED STATES 1222460 l/        JJpc> "FLOWERS WHITE." Leelanau GiX,    calystegia  ,   2691 j 
{"catalogNumber": "1222460", "order": "", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "(L.) R. Br.", "genus": "Calystegia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2691", "verbatimEventDate": "1984-07-30", "habitat": "", "occurrenceRemarks": "\"Flowers white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Leelanau", "municipality": "", "locality": "", "decimalLatitude": "45.022953", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}