Using COC(=O)c1ccc(-c2cccc(F)c2)o1, N=C(N)NC(=O)c1ccc(-c2ccccc2F)o1 to produce N=C(N)NC(=O)c1ccc(-c2cccc(F)c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.