You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2S)-1-[(2S,4S)-4-(cyclopenten-1-ylmethyl)pyrrolidine-2-carbonyl]pyrrolidine-2-carbonitrile is given. What is its corresponding molecular formula?
user
C16H23N3O
assistant