Using Nc1ncc(CO)c(N)n1, COc1ccc2ccc(OC)c(N)c2c1 to produce COc1ccc2c(Cc3cnc(N)nc3N)cc(OC)c(N)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.