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": ""}
  P 611      UITED STATES .^@  rubus parviflorus  rRf     From sandy gap in acidic mixed pine hardwood forest. Associated plants include weedy grasses and hawkweeds        2013-06-25 =BV    #[ 1496399 Rubus xDX     z) mcmahon nature preserve    Rosaceae e J 
{"catalogNumber": "1496399", "order": "", "family": "Rosaceae", "scientificName": "Rubus parviflorus", "scientificNameAuthorship": "", "genus": "Rubus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "611", "verbatimEventDate": "2013-06-25", "habitat": "From sandy gap in acidic mixed pine hardwood forest. Associated plants include weedy grasses and hawkweeds", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "McMahon Nature Preserve", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}