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": ""}
    Jy53 TRIADENUM  _  M-52         @P[ fraseri       Ahl3 malpighiales  E5 864 1983-08-02 @ n..     JOHN V. FREUDENSTEIN   H occasional  M! saginaw (spach) gleason 3  
{"catalogNumber": "", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Spach) Gleason", "genus": "Triadenum", "subgenus": "", "specificEpithet": "fraseri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "864", "verbatimEventDate": "1983-08-02", "habitat": "", "occurrenceRemarks": "occasional", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Saginaw", "municipality": "", "locality": "M-52", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}