Using C[O-], Nc1ccc(-c2cc(=O)c3cc(Br)ccc3o2)cc1 to produce CNc1ccc(-c2cc(=O)c3cc(Br)ccc3o2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.