You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[4-(4-fluorophenyl)-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]-2-oxoethyl]-N-(2-methoxyethyl)-3-phenylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H29FN2O3S
assistant