Using CC[C@@]1(C(=O)O)CCCC[C@H]1OCCc1ccc(OC)c(OC)c1 to produce COc1ccc(CCO[C@@H]2CCCC[C@H]2C(=O)O)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.