You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(2-methoxy-5-methylphenyl)-3-(2-methyl-3-oxo-5-phenyl-1H-pyrazol-4-yl)-4-pyrrolidin-1-ylpyrrole-2,5-dione ?
user
C26H26N4O4
assistant