Using BrBr, Cc1sc2c(Br)c3ccccc3c(-c3ccc(O)c([N+](=O)[O-])c3)c2c1C to produce Cc1sc2c(Br)c3ccccc3c(-c3cc(Br)c(O)c([N+](=O)[O-])c3)c2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.