Using COS(=O)(=O)OC, O=C(C=Cc1ccc(OC(F)(F)F)c(Cl)c1)c1c(O)c2ccccc2oc1=O to produce COc1c(C(=O)C=Cc2ccc(OC(F)(F)F)c(Cl)c2)c(=O)oc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.