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": ""}
occassional, "flowers yellow"  +   zOm4 united states  CRAWFORD %   VIOLACEAE ~,M  -84.79453 Q  MALPIGHIALES `    90(8: (schwein.) n.h.russell  z hp var. beech-maple woods 8_      eri0carpa 7e  PUBESCENS z  harvey e. ballard, jr. uh $K   94w- viola   Z@h4^ 44.75342     %~lL 1957-05-11  
{"catalogNumber": "", "order": "Malpighiales", "family": "Violaceae", "scientificName": "", "scientificNameAuthorship": "(Schwein.) N.H.Russell", "genus": "Viola", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "eriocarpa", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1957-05-11", "habitat": "beech-maple woods", "occurrenceRemarks": "occassional, \"flowers yellow\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Crawford", "municipality": "", "locality": "", "decimalLatitude": "44.75342", "decimalLongitude": "-84.79453", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}