Using COc1ccc(N2N=C(C)CC2=O)cc1, O=C=Nc1ccc(F)cc1 to produce COc1ccc(N2N=C(C)C(C(=O)Nc3ccc(F)cc3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.