Using COC(=O)C(C)(C)[C@@H](C)Nc1c(C(N)=O)cnn2cc(-c3ccc(OC)nc3)cc12 to produce COc1ccc(-c2cc3c(N[C@H](C)C(C)(C)C(=O)O)c(C(N)=O)cnn3c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.