You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2R)-2-[(3-methylphenyl)methyl]-3-[[(3R)-5-oxo-1-(pyridin-2-ylmethyl)pyrrolidine-3-carbonyl]amino]propanoic acid is given. What is its corresponding molecular formula?
user
C22H25N3O4
assistant