You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3,4-dimethoxyphenyl)ethyl]-N-[2-(4-fluorophenyl)propyl]-2-methyl-1,3-dithian-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H32FNO2S2
assistant