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": ""}
     Michigan Us_CA    ! Smilacaceae  = rotundifolia  AS smilax charles f. wheeler Fm+A0   z S.N.  hq KSN42171  1339538 n?@H   FV: SMILAX ROTUNDIFOLIA  f@` -86.21364  ALLEGAN 4a4  Saugatuck.  |N1  liliales y=5   1896-08 n(   42.66464 n 9   X!s united states      L.
{"catalogNumber": "1339538", "order": "Liliales", "family": "Smilacaceae", "scientificName": "Smilax rotundifolia", "scientificNameAuthorship": "L.", "genus": "Smilax", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles F. Wheeler", "recordNumber": "s.n.", "verbatimEventDate": "1896-08", "habitat": "", "occurrenceRemarks": "KSM42171", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "Saugatuck.", "decimalLatitude": "42.66464", "decimalLongitude": "-86.21364", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}