Using CCOC(=O)Cl, COc1cc2ncn(S(=O)(=O)N(C)C)c2cc1OC to produce CCOC(=O)c1nc2cc(OC)c(OC)cc2n1S(=O)(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.