Using COC(=O)Cc1cc2ccc(F)cc2c(Cc2ccc(S(=O)(=O)C(F)(F)F)cc2)c1C to produce Cc1c(CC(=O)O)cc2ccc(F)cc2c1Cc1ccc(S(=O)(=O)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.