Using COC(C)(C)OC, COc1cnn(C)c(=O)c1-c1ccc(C[C@H](N)C(=O)O)cc1 to produce COC(=O)C(N)Cc1ccc(-c2c(OC)cnn(C)c2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.