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": ""}
  &  Car3x   united states      x.C! POLK  GH CYPERACEAE carex pensylvanica 2N|S  1986-04-15 ?2     1486 9BsB        /# POALES  (y1 arkansas   uOyIf Rich Mtn, along Hwy 88 west of Mena, 0.35 mi west of road o Rich Mtn Fir Tower, N-side of Mtn near crest along Ouachita Trail.     $ vU L4M. 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex pensylvanica", "scientificNameAuthorship": "Lam.", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1486", "verbatimEventDate": "1986-04-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Polk", "municipality": "", "locality": "Rich Mtn, along Hwy 88 west of Mena, 0.35 mi west of road to Rich Mtn Fir Tower, N-side of Mtn near crest along Ouachita Trail.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}