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": ""}
 bbcGU MEXICO panicum $f  EDMUND KERBER ZVJAT   CONTACT UM HERBARIUM     POACEAE         DXh` 154 1882-11  ; t5     V poales   =7 trichanthum    I2M^ Panicum trichanthum y :m,# NEES   1126920 F3dr   
{"catalogNumber": "1126920", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum trichanthum", "scientificNameAuthorship": "Nees", "genus": "Panicum", "subgenus": "", "specificEpithet": "trichanthum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edmund Kerber", "recordNumber": "154", "verbatimEventDate": "1882-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}