Using C[C@@H]1CN(c2ccccn2)CCN1, ClCc1nc2ccccc2[nH]1 to produce C[C@@H]1CN(c2ccccn2)CCN1Cc1nc2ccccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.