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": ""}
     8R tephrosanthos   j.a. schultes y,Y>,  74983  D?t%     paul c. standley jJ   4 Poales    JASON R. SWALLEN %%      ny@X contact um herbarium    a& 1940-10-24    oT eragrostis tephrosanthos
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Eragrostis tephrosanthos", "scientificNameAuthorship": "J.A. Schultes", "genus": "", "subgenus": "", "specificEpithet": "tephrosanthos", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jason R. Swallen", "recordedBy": "Paul C. Standley", "recordNumber": "74983", "verbatimEventDate": "1940-10-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}