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": ""}
    1222488 FEk           Calystegia sepium <   `L 42.29559  n Convolvulaceae      VW -83.7426 SEPIM )>Dm8   Vg HAROLD W. THOMPSON  7_  WASHTENAW  6 huron river, ann arbor.  / UNITED STATES 
{"catalogNumber": "1222488", "order": "", "family": "Convolvulaceae", "scientificName": "Calystegia sepium", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "sepium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harold W. Thompson", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Huron River, Ann Arbor.", "decimalLatitude": "42.29559", "decimalLongitude": "-83.7426", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}