Using CCCC[Sn](CCCC)(CCCC)c1ccccc1, CCOc1ccc(Br)c2c1B(O)OC2C[N+](=O)[O-] to produce CCOc1ccc(-c2ccccc2)c2c1B(O)OC2C[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.