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": ""}
 s.n. mBbL9    washtenaw XB  L. +`:Hk   9No "red fruit" "black fruit"    virginiana =TxK   michigan      H~& prunus Rosales 4u9j-  CARL D. LARUE od     ]u[Z ROSACEAE  N Wl3 1914-08-16  west of ann arbor, steinback rd. [gYHj   prunus virginiana Z4m   Xg+ 1468540 
{"catalogNumber": "1468540", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus virginiana", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl D. LaRue", "recordNumber": "s.n.", "verbatimEventDate": "1914-08-16", "habitat": "", "occurrenceRemarks": "\"Red fruit\" \"Black fruit\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "West of Ann Arbor, Steinback Rd.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}