Using NCc1ccc(F)cc1, CC(C)(C)OC(=O)NC(C=O)COCc1ccccc1 to produce CC(C)(C)OC(=O)NC(CNCc1ccc(F)cc1)COCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.