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": ""}
    + 312  6 poplar woods,   o*lL! 4 1/2 mi. S. of Milan,  acerifolium  UI    | viburnum acerifolium MICHIGAN s@    monroe Set  adoxaceaev =#fxM      y; betty m. robertson -83.6745 ,*    R  Dipsacales  W=) united states  
{"catalogNumber": "", "order": "Dipsacales", "family": "Adoxaceae", "scientificName": "Viburnum acerifolium", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "acerifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Betty M. Robertson", "recordNumber": "312", "verbatimEventDate": "", "habitat": "Poplar woods,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "4 1/2 mi. S. of Milan,", "decimalLatitude": "", "decimalLongitude": "-83.6745", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}