Using COc1cc(CCl)cc(Cl)n1, COc1cc2c(Oc3ccccc3)ncnc2cc1O to produce COc1cc(COc2cc3ncnc(Oc4ccccc4)c3cc2OC)cc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.