You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2S)-N-(methylcarbamoyl)-2-[4-[(E)-2-phenylethenyl]sulfonylpiperazin-1-ium-1-yl]propanamide into its molecular formula.
user
C17H25N4O4S+
assistant