Using O=[Cr](=O)([O-])Cl, CC1(C)CC=C(c2ccccc2)C1(O)c1ccc(S(C)(=O)=O)cc1 to produce CC1(C)CC(=O)C(c2ccccc2)=C1c1ccc(S(C)(=O)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.