Using CCOC(=O)C(C(=O)c1c(OC)ccc(OC)c1F)c1cccc(OC)c1 to produce COc1cccc(CC(=O)c2c(OC)ccc(OC)c2F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.