Using CC(C)(C)OC(=O)N[C@H](CC1CCCCC1)C(O)C(=O)NOCC(=O)O, CCOC(=O)[C@H](C)N to produce CCOC(=O)[C@H](C)NC(=O)CONC(=O)C(O)[C@H](N)CC1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.