Using BrCc1ccc(-c2csnn2)cc1, CC(=O)Nc1ccc(C(=O)NCc2ccccn2)cc1N to produce CC(=O)Nc1ccc(C(=O)NCc2ccccn2)cc1NCc1ccc(-c2csnn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.