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": ""}
    Bromus   contact um herbarium `B,]O   TQ  Dallas  1970-05-03      HP United States   slM BROMUS CATHARTICUS   [: LLOYD H. SHINNERS 1407181 i:!   catharticus q5j       Poaceae G=Gl     VAHL D  33024 wAC^ 
{"catalogNumber": "1407181", "order": "", "family": "Poaceae", "scientificName": "Bromus catharticus", "scientificNameAuthorship": "Vahl", "genus": "Bromus", "subgenus": "", "specificEpithet": "catharticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lloyd H. Shinners", "recordNumber": "33024", "verbatimEventDate": "1970-05-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Dallas", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}