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": ""}
 v S rosales 1973-08-18 Q9  494 !r&5D      s5L M. P. Widrlechner on sw side of big beaver lake. ;    @%Z -86.354048 1470449 [%n4   r3,I0 Rosaceae ROBERT H. READ  D    46.555204    L. Y_A |  Rubus -//     Michigan L>Mhz   lTFJp unisted states   o^ Rubus Alger Ns?    T_ SANDY SHORELINE.
{"catalogNumber": "1470449", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus", "scientificNameAuthorship": "L.", "genus": "Rubus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "Robert H. Read", "recordNumber": "494", "verbatimEventDate": "1973-08-18", "habitat": "Sandy shoreline.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "On SW side of Big Beaver Lake.", "decimalLatitude": "46.555204", "decimalLongitude": "-86.354048", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}