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": ""}
   4731 qu  autumnalis D       I(pL contact um herbarium  poales ruC*    IN]lo Wet sandy and silty shores exposed by low water levels.  Q 1977-09-30  eN simcoe ONTARIO io(Ql      e9MX FIMBRISTYLIS AUTUMNALIS      J^ anton a. reznicek FIMBRISTYLIS EW=N  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Fimbristylis autumnalis", "scientificNameAuthorship": "", "genus": "Fimbristylis", "subgenus": "", "specificEpithet": "autumnalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4731", "verbatimEventDate": "1977-09-30", "habitat": "Wet sandy and silty shores exposed by low water levels.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}