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": ""}
  )@Pmk Panicum         n1QF2 poales  U 1917-10-30    5 PANAM4   h+ Panicum trichoides     E  E|lsworth P. Killip 4147  f,   Y BZ w. Poaceae P9C<   J 1126965     tichoides  
{"catalogNumber": "1126965", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum trichoides", "scientificNameAuthorship": "Sw.", "genus": "Panicum", "subgenus": "", "specificEpithet": "trichoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ellsworth P. Killip", "recordNumber": "4147", "verbatimEventDate": "1917-10-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Panama", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}