Using N=C(N)Nc1cccc(O)c1, Cc1nc2c(s1)C(=O)C(=CN1CCOCC1)CC2 to produce Cc1nc2c(s1)-c1nc(Nc3cccc(O)c3)ncc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.