Using N[C@H]1CCN(c2ccccn2)C1, O=C(n1ccnc1)n1ccnc1 to produce O=C(N[C@H]1CCN(c2ccccn2)C1)n1ccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.