You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3-amino-5,6-dimethylthieno[2,3-b]pyridin-2-yl)-(2,5-difluorophenyl)methanone is given. What is its corresponding molecular formula?
user
C16H12F2N2OS
assistant