Using CCOC(=O)c1cc(Br)cc2c(C3CCCS(=O)(=O)C3)c[nH]c12 to produce O=C(O)c1cc(Br)cc2c(C3CCCS(=O)(=O)C3)c[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.