You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[4-amino-3-(4-bromophenyl)thieno[3,2-c]pyridin-7-yl]-N-(pyridin-4-ylmethyl)prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H17BrN4OS
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