Using C=CCc1c(O)ccc2oc(C(=O)c3ccc(F)cc3)c(C)c12 to produce CCCc1c(O)ccc2oc(Cc3ccc(F)cc3)c(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.