Using COc1c(C)c(Cl)nc(CCl)c1C, Nc1nc(Cl)c2cn[nH]c2n1 to produce COc1c(C)c(Cl)nc(Cn2ncc3c(Cl)nc(N)nc32)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.