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^ ORNITHOGALUM   1957-05-22 h$+g       william s. benninghoff C  MASHTENAW e:(   1335667 Rr6    vo: Michigan 10147 nmktj     umbelltum MpBN   united states cz54   _ Asparagaceae ASPARAGALES kN 
{"catalogNumber": "1335667", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Ornithogalum", "subgenus": "", "specificEpithet": "umbellatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Benninghoff", "recordNumber": "10147", "verbatimEventDate": "1957-05-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}