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": ""}
 1593259 p     6GU oxalis grandis    epZ Athens     timothy l. walters, doug longpre -Y5   :7U0 small      39.41350294Â° -: 82.20278305Â° M ^   & OXALIS      
{"catalogNumber": "1593259", "order": "", "family": "", "scientificName": "Oxalis grandis", "scientificNameAuthorship": "Small", "genus": "Oxalis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters, Doug Longpre", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Athens", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "39.41350294\u00c2\u00b0 - 82.20278305\u00c2\u00b0", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}