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": ""}
 1470452 z jM    Burton Ave, Grand Rapids. N1  MICHIGAN 9Q=t   rosales 3j4    `` rubus  i /If Rosaceae  "SWAMP FORM OF R. CANADENSIS. NOW SEPARATED FROM IT. PRICXLES SOFT. STEM SLENDER" KSM50808 97 2o    UNITED STATES JH|!Y   ou~f> m. p. widrlechner  EMMA J. COLE c=~k    RcB3> L.   47`~ s.n. Kent  1~5   swamp. $|   rubus 4j 5   
{"catalogNumber": "1470452", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus", "scientificNameAuthorship": "L.", "genus": "Rubus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Swamp.", "occurrenceRemarks": "\"Swamp form of R. canadensis. Now separated from it. Prickles soft. Stem slender\" KSM50808", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Burton Ave, Grand Rapids.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}