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": ""}
 1507877 d5K6     ^7ak FRED H. HORSF0RD  - AQUIFOLIALES  :tQ GRPM 41077; ACTIVE BARCODE ON SHEET WITH INACTIVE BARCODE 1507878    0 Charlotte   , a9uifoliaceae  CHITTENDEN mN    X MUCRONATA  1879-07-30 *b%      (l.) m. powell, savol. & s. andrews kl;G     united states      
{"catalogNumber": "1507877", "order": "Aquifoliales", "family": "Aquifoliaceae", "scientificName": "", "scientificNameAuthorship": "(L.) M. Powell, Savol. & S. Andrews", "genus": "", "subgenus": "", "specificEpithet": "mucronata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred H. Horsford", "recordNumber": "", "verbatimEventDate": "1879-07-30", "habitat": "", "occurrenceRemarks": "GRPM 41077; active barcode on sheet with inactive barcode 1507878", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Chittenden", "municipality": "", "locality": "Charlotte", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}