Using [NH4+], C[C@H]1C(=O)N(Cc2ccc3c(Cl)ccnc3c2)CCN1CC=Cc1ccc(Cl)s1 to produce C[C@H]1C(=O)N(Cc2ccc3c(N)ccnc3c2)CCN1CC=Cc1ccc(Cl)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.