Using SCc1ccccc1Cl, O=C(Nc1nc(C(F)(F)F)c(Br)s1)c1ccccn1 to produce O=C(Nc1nc(C(F)(F)F)c(SCc2ccccc2Cl)s1)c1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.