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": ""}
  B7m1 Contact UM Herbarium c. marvin rogers  0.R      [&>,b colorado   j;u bromus anomalus  1948-06-23 (rjF    Poaceae  j   anomalus #?)c      Las Animas  Poales Li h   j  1407083      >w Bromus united states f   1 RUPR. EX FOURN.
{"catalogNumber": "1407083", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus anomalus", "scientificNameAuthorship": "Rupr. ex Fourn.", "genus": "Bromus", "subgenus": "", "specificEpithet": "anomalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Marvin Rogers", "recordNumber": "", "verbatimEventDate": "1948-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Las Animas", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}