You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name tert-butyl (1R,5R)-6-[[ethyl(methyl)carbamoyl]amino]-3-azabicyclo[3.1.0]hexane-3-carboxylate into its molecular formula.
user
C14H25N3O3
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