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": ""}
   1r  Panicum       _Fp| contact um herbarium  biglandulare  `3    SCRIBN. & J.G.SM. &7j     c7z*P Denis 3. Breedlove  z  1125988   [[;H$ POACEAE  Gerrit Davidse fW   poales 2SvG   #Nb MEXICO  s ?c: 1981-12-17 56183 x   @ PANICUM BIGLANDULARE
{"catalogNumber": "1125988", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum biglandulare", "scientificNameAuthorship": "Scribn. & J.G.Sm.", "genus": "Panicum", "subgenus": "", "specificEpithet": "biglandulare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gerrit Davidse", "recordedBy": "Dennis E. Breedlove", "recordNumber": "56183", "verbatimEventDate": "1981-12-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}