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": ""}
s.n.  p   united states ^L  (COULT.) NASH ?        junT LAKE  LSyU BROMUS PORTERI    |gtU POALES John Wolfe Ur  porteri 3g? =      c 7?  Colorado   contact um herbarium |   1873 OU(p   iG-P< 1407763 
{"catalogNumber": "1407763", "order": "Poales", "family": "", "scientificName": "Bromus porteri", "scientificNameAuthorship": "(Coult.) Nash", "genus": "", "subgenus": "", "specificEpithet": "porteri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Wolfe", "recordNumber": "s.n.", "verbatimEventDate": "1873", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Lake", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}