Using Ic1ccc2nccn2c1, OB(O)c1c(-c2ccccn2)nn2c1CCC2 to produce c1ccc(-c2nn3c(c2-c2ccc4nccn4c2)CCC3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.