Using COC(=O)c1cccc(O)c1, OC12CC3CC(CC(C3)C1)C2 to produce COC(=O)c1ccc(C23CC4CC(CC(C4)C2)C3)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.