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": ""}
 42.9761  : T    S  port huron Viola pubescens var. eriocarpa &o   Harvey E. Ballard, Jr.  t  var. p     Viola ,JV3  1352555    BUBESCENS  m0   eriocarpaD8 3   N? 1838-05-30    Michigan ~WM    (schwein.) .h.russell e8dj   r VIOLACEAE  
{"catalogNumber": "1352555", "order": "", "family": "Violaceae", "scientificName": "Viola pubescens var. eriocarpa", "scientificNameAuthorship": "(Schwein.) N.H.Russell", "genus": "Viola", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "eriocarpa", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1838-05-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Port Huron", "decimalLatitude": "42.9761", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}