You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[3-(4-methoxyphenyl)-5-phenyl-3,4-dihydropyrazol-2-yl]-2-oxoethyl] (E)-3-(5-chloro-1,3-dimethylpyrazol-4-yl)prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H25ClN4O4
assistant