You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[5-chloro-6-[[1-(2-chlorobenzoyl)piperidin-4-yl]amino]pyridin-3-yl]-N-(oxan-2-yloxy)prop-2-enamide into molecular formula.
user
C25H28Cl2N4O4
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