Using O=C(c1nc2ccccc2[nH]1)N1CC(c2nc(Cl)ncc2-c2ccccc2)C1 to produce O=C(c1nc2ccccc2[nH]1)N1CC(c2ncncc2-c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.