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": ""}
            lf viburnum      Flowers white      1561546 1  WILLIAM S. MARTINUS )-4j   (xMN` Anton A. Reznicek T2N R15W SE1/4 Sect 15, 42Â°33'23.8"N, -86Â°03'15.7"W H   viburnum dentatum .i   b*r 2018-05-30
{"catalogNumber": "1561546", "order": "", "family": "", "scientificName": "Viburnum dentatum", "scientificNameAuthorship": "", "genus": "Viburnum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William S. Martinus", "recordNumber": "", "verbatimEventDate": "2018-05-30", "habitat": "", "occurrenceRemarks": "Flowers white", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "T2N R15W SE1/4 Sect 15, 42\u00c2\u00b033'23.8\"N, -86\u00c2\u00b003'15.7\"W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}