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": ""}
 1477907 aR   u2M Porter  G,# p Rubus    Rosales 42.276018 >op    7 Mark P. Widrlechner  BXw7 united states michigan b     ,K+t -83.806645     4 block 1, sec. 5, saginw forest, ann arbor  1Fh| WASHTENAW  , william s. benninghoff  (m^h 1962-05-22  ^ 10633    +x0(  allegheniensis  G?_w Rubus allegheniensis  6s(o ROSACEAE  
{"catalogNumber": "1477907", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus allegheniensis", "scientificNameAuthorship": "Porter", "genus": "Rubus", "subgenus": "", "specificEpithet": "allegheniensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "William S. Benninghoff", "recordNumber": "10633", "verbatimEventDate": "1962-05-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Block 1, Sec. 5, Saginaw Forest, Ann Arbor", "decimalLatitude": "42.276018", "decimalLongitude": "-83.806645", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}