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": ""}
ann arbor, cedar bend P3&hH  Apiaceae  $q&    JSD 1918-05-20 Michigan     CLAY HILLSIDES  6&/    john h. ehlers    U (L.) W. D. J. KOCH  ? united states    -83.727016 ?PR_1   F C8 ZIZIA          1473579 6|4/ 
{"catalogNumber": "1473579", "order": "", "family": "Apiaceae", "scientificName": "", "scientificNameAuthorship": "(L.) W. D. J. Koch", "genus": "Zizia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1918-05-20", "habitat": "Clay hillsides", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ann Arbor, Cedar Bend", "decimalLatitude": "", "decimalLongitude": "-83.727016", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}