Using S=C(Cl)Cl, Cc1cc(-c2cccnc2Oc2ccc(N)cc2)ccn1 to produce Cc1cc(-c2cccnc2Oc2ccc(N=C=S)cc2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.