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": ""}
Mexico ew    m. egger VN   0n^ kunth   1948-08-15 uB   %Gex 1291349 CONTACT UM HERBARIUM YP[M&     G+B; castilleja tolucensis  Db7j h.e. moore, jr.      CASTILLEJA SRm         4517 i oNS 
{"catalogNumber": "1291349", "order": "", "family": "", "scientificName": "Castilleja tolucensis", "scientificNameAuthorship": "Kunth", "genus": "Castilleja", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Egger", "recordedBy": "H.E. Moore, Jr.", "recordNumber": "4517", "verbatimEventDate": "1948-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}