Using O=C(O)c1cnccn1, CON(C)C(=O)c1ccc(N)cc1F to produce CON(C)C(=O)c1ccc(NC(=O)c2cnccn2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.