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": ""}
    grayi BbiC     N&Ol FREDERICK J. HERMANN   D.O 5 mles south of ann arbor, at hickory flats.   5  42.205742 United States p&    O@Y# Carex grayi  ^J washtenaw Carex ,  woods )H9n/      0Xz MICHIGAN    2307 !7t-9  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex grayi", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "grayi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "", "recordNumber": "2307", "verbatimEventDate": "", "habitat": "Woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "5 miles south of Ann Arbor, at Hickory Flats.", "decimalLatitude": "42.205742", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}