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": ""}
    1979-06-19 @    k-,l DRUMMOND ISLANO, CA. 1 MI. W OF MEADE ISLAND.        8 LOCALgLY FREQUENT."COROLLA YELLOW."       x~ michigan BRASSICACEAE L     Chippewa B.  1462867 Z  
{"catalogNumber": "1462867", "order": "", "family": "Brassicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1979-06-19", "habitat": "", "occurrenceRemarks": "Locally frequent. \"Corolla yellow.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Chippewa", "municipality": "", "locality": "Drummond Island, ca. 1 mi. W of Meade Island.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}