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": ""}
(poir.) trin. o|   3842 fc1   muhlenbergia c=     Muhlenbergia expansa  (d,   united staLtes 9   4%l SAMUEL M. TRACY  # Poales     1417617 ^|R)    Poaceae +*  contact um herbarium Y      g|F  exqpansa  mississippi d  O  1897-10-22 Xh4aT 
{"catalogNumber": "1417617", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia expansa", "scientificNameAuthorship": "(Poir.) Trin.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "expansa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Samuel M. Tracy", "recordNumber": "3842", "verbatimEventDate": "1897-10-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}