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": ""}
   u~bMM 8144 1941-08-01 E   k LAN4TIPES      1407646 i  BROMUS e h    LQ? colorado   United States K   `8= jefferson   I contact um herbarium   G# Bromus lanatipes  # poales Poaceae ]K g4    john h. ehlers <  (Shear) Rydb. w 
{"catalogNumber": "1407646", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus lanatipes", "scientificNameAuthorship": "(Shear) Rydb.", "genus": "Bromus", "subgenus": "", "specificEpithet": "lanatipes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "8144", "verbatimEventDate": "1941-08-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Jefferson", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}