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": ""}
 4VENELLA )  1961-07-18  YkB    /@- Poaceae   avenella flexuosa [<f    poales %AkR      United State s 3  1406248 en   51x COOK  C 10125  sbe0 flexuosa    s Edward G. Voss   CONTACT UM HERBARIUM d &o  
{"catalogNumber": "1406248", "order": "Poales", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "10125", "verbatimEventDate": "1961-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cook", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}