Using COC(=O)C1(Cl)OC12CCC(C#N)(c1ccc(OC)c3oc4ccccc4c13)CC2 to produce COc1ccc(C2(C#N)CCC3(CC2)OC3(Cl)C(=O)O)c2c1oc1ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.