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": ""}
 oex 1985-05-07 cornus foemina subsp. racemosa y f  michigan d-?@   RACEMOSA  I Z      qx 1523   2 cornus  w`  FREQUENT ON DRY SANDY BANK john v. freudensein ,e %  MURPHY LAKE STATE GAME AR3A.          fbcm Cornaceae  43.283639 N    3,E, TUSCOLA 1473962 G7;  
{"catalogNumber": "1473962", "order": "", "family": "Cornaceae", "scientificName": "Cornus foemina subsp. racemosa", "scientificNameAuthorship": "", "genus": "Cornus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "racemosa", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "1523", "verbatimEventDate": "1985-05-07", "habitat": "Frequent on dry sandy bank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Tuscola", "municipality": "", "locality": "Murphy Lake State Game Area.", "decimalLatitude": "43.283639", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}