Using CCCCOC(=O)c1nc(C#N)c2ccc(OC)cc2c1O, NCC(=O)O to produce COc1ccc2c(C#N)nc(C(=O)NCC(=O)O)c(O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.