You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[2-(1,3-benzothiazol-2-yl)-4-iodophenyl]carbamothioyl]-5-(3,4-dimethylphenyl)furan-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H20IN3O2S2
assistant