You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-benzyl-2-[5-(3,4-dimethoxyphenyl)-3-(2-hydroxy-5-methylphenyl)pyrazol-1-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27N3O4
assistant