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": ""}
CORYLUS CORNUTA ( x    otsego  ?;   it United States Marshal^l _k   $ BETULACEAE edward g. voss QD  FREQUENT SHRUB, MIXED WOODS. N      ca. 4 mi. w. of gaylord. eZ?HS     I] 1970-06-02    CORNUTA  m   xt 45.012732     F corylus 
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Corylus cornuta", "scientificNameAuthorship": "Marshall", "genus": "Corylus", "subgenus": "", "specificEpithet": "cornuta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1970-06-02", "habitat": "Frequent shrub, mixed woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Otsego", "municipality": "", "locality": "ca. 4 mi. W. of Gaylord.", "decimalLatitude": "45.012732", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}