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": ""}
 2eW& SM.  j _+  ABUNDANT   ?h VIOLA   ON SANDY SOIL  ~yU    B~a N Oscoda   s_=* 44.703148  x Michigan        QS ca. 4 miles nrtheast of mio   E harvey e. ballard, jr.      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Sm.", "genus": "Viola", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "on sandy soil", "occurrenceRemarks": "abundant", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Oscoda", "municipality": "", "locality": "ca. 4 miles northeast of Mio", "decimalLatitude": "44.703148", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}