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": ""}
    contact um herbarium m<  chelan  t7  marginatus -     m8 Poales   h? 1407700  14978  79,`      .$ WASHINGTON bromus ^@D3   j A POACEAE   8 Nees ex Seud.  nL J. WILLIAM THOMPSON  bromus marginatus K      : 3+Y United States
{"catalogNumber": "1407700", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus marginatus", "scientificNameAuthorship": "Nees ex Steud.", "genus": "Bromus", "subgenus": "", "specificEpithet": "marginatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. William Thompson", "recordNumber": "14978", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington", "county": "Chelan", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}