Using [N-]=[N+]=[N-], CCOC(=O)/C(=N\OCCBr)c1csc(NC(c2ccccc2)(c2ccccc2)c2ccccc2)n1 to produce CCOC(=O)/C(=N\OCCN=[N+]=[N-])c1csc(NC(c2ccccc2)(c2ccccc2)c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.