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-[(3-chlorophenyl)methyl]piperazine-1,4-diium-1-yl]-N-(2-chloropyridin-3-yl)acetamide ?
user
C18H22Cl2N4O+2
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