You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-[5-[2-(4-chloro-2-methoxyphenoxy)ethyl-methylamino]pyridin-2-yl]-4-(4,4-dimethylpiperidin-1-yl)-2-methylpyridin-3-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H37ClN4O4
assistant