Using c1c[nH]cn1, Cc1nc(Nc2cnccn2)sc1-c1ccnc(Cl)c1 to produce Cc1nc(Nc2cnccn2)sc1-c1ccnc(-n2ccnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.