Using CCCN, Nc1nc(Cl)c2ncn([C@H]3C=C[C@@H](CO)C3)c2n1 to produce CCCNc1nc(N)nc2c1ncn2[C@H]1C=C[C@@H](CO)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.