You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-methyl-5-phenyl-1,2,4-triazol-3-yl)sulfanyl]-1-(4-naphthalen-2-ylsulfonylpiperazin-1-yl)ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H25N5O3S2
assistant