Using NCC1CCN(CCc2ccccn2)CC1, O=C(O)c1ccc2nonc2c1 to produce O=C(NCC1CCN(CCc2ccccn2)CC1)c1ccc2nonc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.