You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2R)-1-[(2R)-2-(2-phenylethyl)pyrrolidin-1-yl]-3-pyrazol-1-ylpropan-2-ol is given. What is its corresponding molecular formula?
user
C18H25N3O
assistant