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": ""}
SHERIDAN T@6   CONTACT UM HERBARIUM O53 #     RX,^ KOELERIA MACRANTHA (L)edeb.) Schult m h M  poales $KAgl   KEITH H. DUEHOLM uWbG      1979-07-15  Koeleria e8$9r  poaceae $  1416452  c        MACRANTHA | 1B8  8177 K%V  WYOMING  N]s1     united states gu 
{"catalogNumber": "1416452", "order": "Poales", "family": "Poaceae", "scientificName": "Koeleria macrantha", "scientificNameAuthorship": "(Ledeb.) Schult.", "genus": "Koeleria", "subgenus": "", "specificEpithet": "macrantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Keith H. Dueholm", "recordNumber": "8177", "verbatimEventDate": "1979-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wyoming", "county": "Sheridan", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}