You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-2-[4-(4-methoxyphenyl)butoxy]-3-[6-(phenylsulfanylmethyl)pyridin-2-yl]prop-2-enoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H27NO4S
assistant