Using O=S(=O)([O-])c1cc(O)c2ccc3c(S(=O)(=O)[O-])cc(S(=O)(=O)[O-])c4ccc1c2c34, CCOC(=O)CCCCCBr to produce O=C(O)CCCCCOc1cc(S(=O)(=O)O)c2ccc3c(S(=O)(=O)O)cc(S(=O)(=O)O)c4ccc1c2c43, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.