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": ""}
  J Shrad. 355 ~~o   < x] romus  X(wE 1938-06-24 1407331 0  Montana l[     poaceae s    (^!n missoula    UNITED STATES d  F. H. ROSE J_ wB          poales  MuR BROMUS COMMUTATUS   |6 CONTACT UM HERBARIUM h commutatus
{"catalogNumber": "1407331", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus commutatus", "scientificNameAuthorship": "Schrad.", "genus": "Bromus", "subgenus": "", "specificEpithet": "commutatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. H. Rose", "recordNumber": "355", "verbatimEventDate": "1938-06-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Montana", "county": "Missoula", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}