Using CC(C)(C)OC(=O)CCCCC[C@H](NC(=O)OCc1ccccc1)C(=O)Nc1ccc2ncccc2c1 to produce CC(C)(C)OC(=O)CCCCC[C@H](N)C(=O)Nc1ccc2ncccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.