Using CCOC(=O)COc1cc(C)c2c(-c3cc(OC)cc(OC)c3)nn(C)c2n1 to produce COc1cc(OC)cc(-c2nn(C)c3nc(OCC(=O)O)cc(C)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.