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": ""}
 x_ 1992-05-28       Anton A. Reznicek       iosco    robert e preston Ok|Y    AU SABLE RIVER, N BANK, REA RD AT BRIDGE. @.:,Q       Sapindales Us]   u7y* Acer saccharinum ACER Lg %    
{"catalogNumber": "", "order": "Sapindales", "family": "", "scientificName": "Acer saccharinum", "scientificNameAuthorship": "", "genus": "Acer", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Robert E. Preston", "recordNumber": "", "verbatimEventDate": "1992-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Iosco", "municipality": "", "locality": "Au Sable River, N bank, Rea Rd at bridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}