You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(hexylamino)-2-oxoethyl]-[2-[2-[4-[2-[[2-(hexylamino)-2-oxoethyl]-dimethylazaniumyl]ethoxy]-3-prop-2-enylphenyl]-4-prop-2-enylphenoxy]ethyl]-dimethylazanium is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H68N4O4+2
assistant