Using OCC1=Cc2sc(COc3ccc(-c4ccccc4)c(C(F)(F)F)c3)cc2CC1 to produce O=CC1=Cc2sc(COc3ccc(-c4ccccc4)c(C(F)(F)F)c3)cc2CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.