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": ""}
united states 6    gL XL arctica    6U/le EXTREME EMD OF HOMER SPLIT, KACHEMAK BAY  MV@ R. BR.   poa ueV   /E kenai peninsul%a     YF, 4605  dK 1950-08-10      _d 1421152   $>i) W. S. Benninghoff    
{"catalogNumber": "1421152", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "R. Br.", "genus": "Poa", "subgenus": "", "specificEpithet": "arctica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. S. Benninghoff", "recordNumber": "4605", "verbatimEventDate": "1950-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Kenai Peninsula", "municipality": "", "locality": "extreme end of Homer Split, Kachemak Bay", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}