Using FC(F)Cl, COC(=O)c1cc(O)cnc1C1=NC(C)(C(C)C)C(=O)N1 to produce COC(=O)c1cc(OC(F)F)cnc1C1=NC(C)(C(C)C)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.