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": ""}
   travis eX?0%      KY&= nassella   <e /. 1954-04-05 Poales X  PILOT KNO, 1/2 MILE WEST OF HIJGHWAY 183, CA. ONE MILE SOUTH OF ONION CREEK  /x|   J s.n.     W S. Ely NASSELLA LEUCOTRICHA N+n      6 g (TRIN. & RUPR.) POHL  1418430  E     
{"catalogNumber": "1418430", "order": "Poales", "family": "", "scientificName": "Nassella leucotricha", "scientificNameAuthorship": "(Trin. & Rupr.) Pohl", "genus": "Nassella", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. Ely", "recordNumber": "s.n.", "verbatimEventDate": "1954-04-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Travis", "municipality": "", "locality": "Pilot Knob, 1/2 mile west of Highway 183, ca. one mile south of Onion Creek", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}