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": ""}
 1470689 r< b    x/:)v just e. of wilderness state park boundary.   b 1953-06-18   ?r#d rubus parviflorus      |~GH rosageae    nIt / "Corolla white."   ] emmet  4_y mark p. widrlechner Nutt. <`    )2 INFREQUENT SHRUB, CA. 0.75 M. TALL, ALONG DISTURBED ROADSID.     edward g. voss  
{"catalogNumber": "1470689", "order": "", "family": "Rosaceae", "scientificName": "Rubus parviflorus", "scientificNameAuthorship": "Nutt.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1953-06-18", "habitat": "Infrequent shrub, ca. 0.75 m. tall, along disturbed roadside.", "occurrenceRemarks": "\"Corolla white.\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Emmet", "municipality": "", "locality": "Just E. of Wilderness State Park boundary.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}