You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[[7a-[5-[[amino(methylazaniumylidene)methyl]amino]-3-methyl-5-[2-[(methylazaniumyl)methylamino]piperidin-1-ium-4-yl]pent-2-enyl]-3-[3-(6-aminopiperidin-1-ium-3-yl)-2,2-dimethylpropyl]-2,7-dioxo-2a,3,4,5,6,6a-hexahydronaphtho[2,3-b]oxirene-1a-carbonyl]oxymethyl]-2,3,4,4a,5,6-hexahydronaphthalen-2-yl]-ethylazanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C49H86N9O5+5
assistant