Using CNC(N)=S, COc1ccc(C(=O)C(Br)c2cccnc2)cc1 to produce CNc1nc(-c2ccc(OC)cc2)c(-c2cccnc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.