You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 7-[5-chloro-2-[2-[5-cyano-2-methyl-4-oxo-7-(trifluoromethyl)quinazolin-3-yl]ethoxy]phenyl]-6-methylthieno[3,2-b]pyridine-3-carboxylic acid .
user
C28H18ClF3N4O4S
assistant