Using COc1ccccc1-c1cn(COCC[Si](C)(C)C)c2ncc(Br)c(N=[N+]=[N-])c12 to produce COc1ccccc1-c1cn(COCC[Si](C)(C)C)c2ncc(Br)c(N)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.