Using CC(C)(C)OC(=O)NCC(=O)O, Nc1ccc(NC(=O)C(=O)N2CCC(Cc3ccccc3)CC2)cc1 to produce CC(C)(C)OC(=O)Nc1ccc(NC(=O)C(=O)N2CCC(Cc3ccccc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.