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": ""}
1949-05-20 K;)   v Harvey E. Ballard, Jr.  -83.5493088  sM5  1349409  zB?     n: 1703 UNITED STATES L     in open, grassy grove, old campsi7e / m(   ]:Cb michigan   Z %(U oakland VIOLA ARVENSIS R   0 42.572172 MALPIGHIALES !!5I  arvensis Q+   viola V9$c)    ^ Louis H. Jordal  C murray proud lake ar ea [gP`  single specimen; "Petals pale yellow." k1    Violaceae 5ncv 
{"catalogNumber": "1349409", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola arvensis", "scientificNameAuthorship": "Murray", "genus": "Viola", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Louis H. Jordal", "recordNumber": "1703", "verbatimEventDate": "1949-05-20", "habitat": "in open, grassy grove, old campsite", "occurrenceRemarks": "single specimen; \"Petals pale yellow.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Proud Lake Area", "decimalLatitude": "42.572172", "decimalLongitude": "-83.5493088", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}