Using OC(c1nnc(S)s1)(C1CC1)C1CC1, O=c1cc(-c2cccnc2)c2ccc(Br)cc2o1 to produce O=c1cc(-c2cccnc2)c2ccc(Sc3nnc(C(O)(C4CC4)C4CC4)s3)cc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.