Using COC(=O)C1CCc2c(c(-c3ccncc3)nn2C(C)(C)C)C1 to produce CC(C)(C)n1nc(-c2ccncc2)c2c1CCC(C(=O)O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.