Using CI, COc1ccc(Nc2ncccc2NS(=O)(=O)c2ccc(OC)cc2)cc1 to produce COc1ccc(Nc2ncccc2N(C)S(=O)(=O)c2ccc(OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.