Using COC(=O)c1c(C(=O)OC)n(Cc2ccc(F)cc2)c2ccccc12 to produce O=C(O)c1c(C(=O)O)n(Cc2ccc(F)cc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.