Using CCOC(=O)c1cn(-c2ccc(F)cc2F)c2c(F)c(Cl)ncc2c1=O to produce O=C(O)c1cn(-c2ccc(F)cc2F)c2c(F)c(Cl)ncc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.