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": ""}
   7864N2 ro   z po(ales      CYPERACEAE :b4   TRS: T50N R86W SEC 28 W=Nmv    183-08-10 5   Big Horn j4/   UNITED STATE I[F    carex phaeocephala JBo j    wyoming f:O   f piper PHAEOCEPHALA   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex phaeocephala", "scientificNameAuthorship": "Piper", "genus": "", "subgenus": "", "specificEpithet": "phaeocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7864N2", "verbatimEventDate": "1983-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wyoming", "county": "Big Horn", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T50N R86W sec 28", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}