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": ""}
  g# prunus pumila elaine m. chittenden t7n     N<0Nv 405  !q)p L.     & 44.62787  e,x Rosal;es pumila d  -84.87832 Sd      kalkaska  e     "Petals white, woody rhizome reddish & shedding "bark". Assoc.: Prunus serotina, Pinus banksiana, VacciniumS angustifolium, Carex pensylvanica" e&O     - 1992-05-18  O  1468312 MICHIGAN B => 
{"catalogNumber": "1468312", "order": "Rosales", "family": "", "scientificName": "Prunus pumila", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elaine M. Chittenden", "recordNumber": "405", "verbatimEventDate": "1992-05-18", "habitat": "", "occurrenceRemarks": "\"Petals white, woody rhizome reddish & shedding \"bark\". Assoc.: Prunus serotina, Pinus banksiana, Vaccinium angustifolium, Carex pensylvanica\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Kalkaska", "municipality": "", "locality": "", "decimalLatitude": "44.62787", "decimalLongitude": "-84.87832", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}