Using COC(=O)C1=CN(c2ccc(F)cc2)C(c2ccc(Cl)cc2)CC1=O to produce COC(=O)c1cn(-c2ccc(F)cc2)c(-c2ccc(Cl)cc2)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.