Using COC(=O)[C@@H]1C[C@@H](n2cc(-c3cnc(N)c(-c4nc5ccccc5o4)c3)cn2)CN1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1C[C@H](n2cc(-c3cnc(N)c(-c4nc5ccccc5o4)c3)cn2)C[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.