Using COc1cc(-c2cc(Br)cn2S(=O)(=O)c2ccc(C)cc2)cc(OC)c1OC, CN(C)C=O to produce COc1cc(-c2cc(C=O)cn2S(=O)(=O)c2ccc(C)cc2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.