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 2-[3-(3-methyl-5-sulfanylidenemorpholin-3-yl)phenyl]-1-[5-(2,2,2-trifluoroethoxy)pyridin-2-yl]ethanone ?
user
C20H19F3N2O3S
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