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": ""}
   poaceae y   u >% BROMUS RUBENS  `KN j. c. nelson   L. _&      bromus y9HY~  1920-05-29 |  Multnomah s  1407915 romMp   + CONTACT UM HERBARIUM  RUBENS ;B?   7 OREGON   united stat[es i   poales  I0R    @ es 3060
{"catalogNumber": "1407915", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus rubens", "scientificNameAuthorship": "L.", "genus": "Bromus", "subgenus": "", "specificEpithet": "rubens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. C. Nelson", "recordNumber": "3060", "verbatimEventDate": "1920-05-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oregon", "county": "Multnomah", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}