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": ""}
 MFM0 303  Viola sagittata <   Mason     VIOLA ^$bB   _k_. Malpighiales  MICHIGAN O-t=   DHe|> "flowers dark purple" AITON A  GRANT TWP, NORDHOUSE DUNES 55e`   1979-05-19 B  SGITTATA ktR   9!hk  1352907  Brian T. Hazlett J   Ms,= 44.095693 North end of meadow in very wet soil p  Harvey E. Ballard, Jr. L   -86.442939 LU     )9Ix@ UNITED STATES
{"catalogNumber": "1352907", "order": "Malpighiales", "family": "", "scientificName": "Viola sagittata", "scientificNameAuthorship": "Aiton", "genus": "Viola", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Brian T. Hazlett", "recordNumber": "303", "verbatimEventDate": "1979-05-19", "habitat": "North end of meadow in very wet soil", "occurrenceRemarks": "\"Flowers dark purple\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "Grant Twp, Nordhouse Dunes", "decimalLatitude": "44.095693", "decimalLongitude": "-86.442939", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}