Using CCCCCC=CCC=CCC(CC1OC(=O)C1CCCCCC)OC(=O)C(CC(N)=O)NC(C)=O to produce CCCCCCCCCCC[C@H](C[C@@H]1OC(=O)[C@H]1CCCCCC)OC(=O)[C@H](CC(N)=O)NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.