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 6-     y5x^ 1898-07-08  (COULT.) NASH Z<)0    G    MONTEZUMA  432 g|.   ll z Bromus porteri    KM- united states  E Contact UM Herbarium   T-df SAMUEL M. TRACY  POACEAE ?f @           b# O] porteri
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Bromus porteri", "scientificNameAuthorship": "(Coult.) Nash", "genus": "Bromus", "subgenus": "", "specificEpithet": "porteri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Samuel M. Tracy", "recordNumber": "432", "verbatimEventDate": "1898-07-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Montezuma", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}