Using CCCc1cc(Oc2ccc(Cl)cc2)ccc1-c1noc2ccc(OC)cc12 to produce CCCc1cc(Oc2ccc(Cl)cc2)ccc1-c1noc2ccc(O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.