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 KSos   1407157 a o >  1890-03-20 B   8 v4hl  Poaceae  H+   xkY;8poales brazos a=   Z_yb S.N.  contact um herbarium 9    # H.S. Jennings  catharticus L_5V      y7 UNITED STATES     < ; 7EXAS 
{"catalogNumber": "1407157", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Vahl", "genus": "Bromus", "subgenus": "", "specificEpithet": "catharticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.S. Jennings", "recordNumber": "s.n.", "verbatimEventDate": "1890-03-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brazos", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}