Using On1nnc2ccccc21, CNC(=O)c1ccc2ncc(C(=O)O)c(Nc3ccc(OC)cc3)c2c1 to produce CCCCOC(=O)c1cnc2ccc(C(=O)NC)cc2c1Nc1ccc(OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.