Using COC(=O)C(NC1=Nc2ccc(Cl)cc2C(c2ccccc2F)=NC1)C(C)=O to produce COC(=O)c1nc2n(c1C)-c1ccc(Cl)cc1C(c1ccccc1F)=NC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.