Using COc1cccc([C@@H](O)CCC(=O)Nc2cnc(Oc3ccc(Cl)cc3)cn2)c1 to produce COc1cccc([C@H]2CCC(=O)N2c2cnc(Oc3ccc(Cl)cc3)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.