Using O=C(c1ccccc1)N1CCN(c2cc(Cl)nnc2-c2ccccc2)CC1 to produce O=C(c1ccccc1)N1CCN(c2ccnnc2-c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.