Using CCOC(=O)C1CC(NCc2cnc(-c3noc(-c4ccc(CC(C)C)cc4)n3)cn2)C1 to produce CC(C)Cc1ccc(-c2nc(-c3cnc(CN[C@H]4C[C@@H](C(=O)O)C4)cn3)no2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.