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 (2R)-2-(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)sulfanyl-N-(4-fluoro-3-nitrophenyl)propanamide .
user
C17H15FN4O3S2
assistant