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": ""}
 mWyM MUHLENBERGIA    N POALES United States 2= 0    U H. Eggert   Poaceae S=m9   Yn rx MISSOURI 1877-08-31 D   Iu (MUHL. EX WILLD.) TRIN.   jno data provided on label of catalog ngo:1418189 k!  muhlenbergia sobolifera C       1418189 &1      M-X st. louis  df SOBOLIFERA 
{"catalogNumber": "1418189", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia sobolifera", "scientificNameAuthorship": "(Muhl. ex Willd.) Trin.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "sobolifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Eggert", "recordNumber": "", "verbatimEventDate": "1877-08-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis", "municipality": "", "locality": "no data provided on label of catalog no:1418189", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}