You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-(3,4-dichlorophenyl)sulfonylpiperazin-1-ium-1-yl]-N-prop-2-ynylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H18Cl2N3O3S+
assistant