Using CCOC(=O)Cc1c(C)nc2cc(C(=O)OCC)nn2c1Cl, O=S(=O)(c1ccccc1)N1OC1c1ccccc1 to produce CCOC(=O)c1cc2nc(C)c(C(O)C(=O)OCC)c(Cl)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.