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 (E)-3-(6-chloro-2H-chromen-3-yl)-N-(6-methyl-4-oxo-5-phenylthieno[2,3-d]pyrimidin-3-yl)prop-2-enamide ?
user
C25H18ClN3O3S
assistant