Using BrCc1ccccc1, CSC(=Cc1ccccc1Nc1c(Cl)cccc1Cl)S(C)=O to produce CSC(=Cc1ccccc1N(Cc1ccccc1)c1c(Cl)cccc1Cl)S(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.