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": ""}
      ` Le oenothera biennis    y=my 1476190 ALFRED E. SCHUYLER B<0    l. ,      University of Michigan Botanical Gardens, D|xboro Site, 4.5 miles northeast of Ann Arbor, at southwest part of property     hi|K ONAGRACEAE CAREX MARSH c i  Oenothera  ~E  UN ITED STATES =:Y-     ek? MICHIGAN  ;Rb BIENNIS  C 42.300243
{"catalogNumber": "1476190", "order": "", "family": "Onagraceae", "scientificName": "Oenothera biennis", "scientificNameAuthorship": "L.", "genus": "Oenothera", "subgenus": "", "specificEpithet": "biennis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alfred E. Schuyler", "recordNumber": "", "verbatimEventDate": "", "habitat": "Carex marsh", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "University of Michigan Botanical Gardens, Dixboro Site, 4.5 miles northeast of Ann Arbor, at southwest part of property", "decimalLatitude": "42.300243", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}