You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule ethyl 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl-3-[4-(trifluoromethoxy)anilino]prop-2-enoate ?
user
C18H13ClF6N2O3S
assistant