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 2-[4-(5-methyl-2-phenylpyrazol-3-yl)piperazine-1-carbonyl]-N-(2-phenylethenylsulfonyl)pent-4-enamide ?
user
C28H31N5O4S
assistant