Using CCOC(=O)c1cc(C(C)(C)C)n(-c2ccc3ncccc3c2)n1 to produce CC(C)(C)c1cc(C(=O)O)nn1-c1ccc2ncccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.