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": ""}
    2.456686 O k  1941-07-26 M y(:   J@>^ united states    .5 EDWIN S. GEORGE RESERVE: 3 MI. WEST PINCKNEY GRID Q-6.          zb Rosales F.N. HAMERSTROM, JR. QfZ   K Potentilla      
{"catalogNumber": "", "order": "Rosales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Potentilla", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "", "verbatimEventDate": "1941-07-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Edwin S. George Reserve: 3 mi. west Pinckney Grid Q-6.", "decimalLatitude": "42.456686", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}