Using CC(=O)[O-], Cc1ccc(S(=O)(=O)OCC2c3ccccc3C=Cc3cc(Br)ccc32)cc1 to produce OC1=Cc2ccccc2C=Cc2cc(Br)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.