Using CCCc1nc(O)cc2cc(OC)c(OC)cc12, COc1ccc2ncc(CCl)cc2c1 to produce CCCc1nc(O)c(Cc2cnc3ccc(OC)cc3c2)c2cc(OC)c(OC)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.