Using BrCc1cccnc1, COc1ccc(-c2nn3c(C)nc(C)c3c(=S)[nH]2)cc1OC to produce COc1ccc(-c2nc(SCc3cccnc3)c3c(C)nc(C)n3n2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.