Using CC(C)(C)OC(=O)N(CC(=O)N1CCc2cc(C(N)=O)ccc2C1C1CCCCC1)CC1(O)CCCCC1 to produce NC(=O)c1ccc2c(c1)CCN(C(=O)CNCC1(O)CCCCC1)C2C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.