Using S=P12SP3(=S)SP(=S)(S1)SP(=S)(S2)S3, O=S1C(Br)=CC2=C1OC=CN=C2c1ccccc1Cl to produce S=C1CN=C(c2ccccc2Cl)c2cc(Br)sc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.