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": ""}
 %_ willd. ex schult.     Y]3C31921-09-21     MICHIGAN K:b    5U>H lasalle  ?hQ GRONOVII     41.86782 4Z_q#   =; W@ united states  M(4y7 1222675   6030 J v   CONVOLVULA^CEAE k,*:   MONROE nIuw  
{"catalogNumber": "1222675", "order": "", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "Willd. ex Schult.", "genus": "", "subgenus": "", "specificEpithet": "gronovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "6030", "verbatimEventDate": "1921-09-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "LaSalle", "decimalLatitude": "41.86782", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}