Using CS(=O)(=O)Cl, CCCc1c(CCCCO)ccc2c(C(F)(F)F)noc12 to produce CCCc1c(CCCCOS(C)(=O)=O)ccc2c(C(F)(F)F)noc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.