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": ""}
 Talus of bluff. I/t   1248123 b4l   united states Y V   ZKNN7 47.46428   M 1850      va8 Viburnum      WEST BLUFF W   5CHULT. LSm       "shrub 5 ft. tall." f_q 
{"catalogNumber": "1248123", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Schult.", "genus": "Viburnum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1850", "verbatimEventDate": "", "habitat": "Talus of bluff.", "occurrenceRemarks": "\"Shrub 5 ft. tall.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "West Bluff", "decimalLatitude": "47.46428", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}