You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[2-fluoro-4-(4-methoxyphenyl)phenyl]-4-[5-[4-(2-methylpropoxy)phenyl]thiophen-2-yl]-2,1,3-benzothiadiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H27FN2O2S2
assistant