You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[4-[(2,6-dichlorophenyl)carbamoylamino]thieno[3,2-d]pyrimidin-6-yl]-N-(pyridin-4-ylmethyl)prop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H16Cl2N6O2S
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