You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[(E)-C-methyl-N-[(5-piperidin-1-ylsulfonylpyridin-2-yl)amino]carbonimidoyl]phenyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H25N5O3S
assistant