Using COC(=O)Oc1ccc(C(=O)O)cc1, CCCCCC[C@H](C)O to produce CCCCCC[C@@H](C)OC(=O)c1ccc(OC(=O)OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.