Using O=Cc1ccc(F)cc1, COC(=O)c1ccc2c(c1)OCCC2=O to produce COC(=O)c1ccc2c(c1)OCC(=Cc1ccc(F)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.