Using CC(C)(C)OC(=O)C[C@@H](CC1CCCC1)C(=O)N1N=CCC1C(=O)O, Nc1ccccc1 to produce CC(C)(C)OC(=O)C[C@@H](CC1CCCC1)C(=O)N1N=CCC1C(=O)Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.