You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3,5-diamino-N-[1-[3-[4-[bis[3-(dimethylamino)propyl]carbamoyl]phenyl]propyl]-1-[3-(4-methoxyphenyl)propyl]piperidin-1-ium-3-yl]-6-chloropyrazine-2-carboxamide;chloride;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C40H63Cl4N9O3
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