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": ""}
1507508 XmHA    _( FIELDS, ETC. "(THERMOMETER 78Â° AT NOON.) NE4RLY AS WARM FOR SOME DAYS PAST; RAIN ALMOST EVERY DAY."  b AITON Viola striata 6K    FAYETTE dUg I     R  1834-04-15 malpighiales     KENTUCKY x  VIOLA t?J    730b_ w   robert l. peter 5    Zn( VIOLACEAE   UNITED STATES pK     _%H Williams' thicket,Lexington STRIATA vk  
{"catalogNumber": "1507508", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola striata", "scientificNameAuthorship": "Aiton", "genus": "Viola", "subgenus": "", "specificEpithet": "striata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Peter", "recordNumber": "730b", "verbatimEventDate": "1834-04-15", "habitat": "Fields, etc. \"(Thermometer 78\u00c2\u00b0 at noon.) Nearly as warm for some days past; rain almost every day.\"", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Fayette", "municipality": "", "locality": "Williams' thicket, Lexington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}