Using CCOc1ccc(Cl)cc1-c1cc(Nc2ccc(COC(=O)CNC(=O)OC(C)(C)C)cc2)nc(N)n1 to produce CCOc1ccc(Cl)cc1-c1cc(Nc2ccc(COC(=O)CN)cc2)nc(N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.