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": ""}
-84.53251 g|     =G "small tree about 7 m tall." UNITED STATES o  R2W, T7S, section 15. Trail Rd., S. side. About 20 km SE of Hillsdale. Kg?    /)^S FRAXINUS  -q8 41.86524 Occasional in small thicket in medow, near creek. TD@_   EQ  marshall  ?2~SX HILLSDALE PETER W. FRITSCH rA;@        fraxinus nigra [;     6IN0* 607    ?iRro ngra    G|fr_ MICHIGAN
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Fraxinus nigra", "scientificNameAuthorship": "Marshall", "genus": "Fraxinus", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "607", "verbatimEventDate": "", "habitat": "Occasional in small thicket in meadow, near creek.", "occurrenceRemarks": "\"Small tree about 7 m tall.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "R2W, T7S, section 15. Trail Rd., S. side. About 20 km SE of Hillsdale.", "decimalLatitude": "41.86524", "decimalLongitude": "-84.53251", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}