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": ""}
     Rr  john h. ehler5  MXp?P UNITED SdTA|TES  emmet mi kC   ?1p 1246986 1920-08-10  <FTT    YNu VIBURNUM LENTAGO     .=)6w MICHIGAN   Viburnum     tc?Q dipsacales BANKS OF MAPLE RIVER - (WEST BRANCH) v      lentago   P:Ww L.  1197 mIpl4 
{"catalogNumber": "1246986", "order": "Dipsacales", "family": "", "scientificName": "Viburnum lentago", "scientificNameAuthorship": "L.", "genus": "Viburnum", "subgenus": "", "specificEpithet": "lentago", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1197", "verbatimEventDate": "1920-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Banks of Maple River - (West Branch)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}