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": ""}
 6, CONTACT UM HERBARIUM    X 17680 poales 8gFZ  macrotis f&    ;m[ 1963-11-04            3( muhlJenbergia macrotis   XW) Hitchc. muhlenbergia 5$8]_   ?8o jerzy rzedowski  ROGERS MCVAUGH C    
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Muhlenbergia macrotis", "scientificNameAuthorship": "Hitchc.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "macrotis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "Jerzy Rzedowski", "recordNumber": "17680", "verbatimEventDate": "1963-11-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}