Using N=C(N)N, O=C(Cl)c1cn(-c2ccnc3ccccc23)c2ncccc12 to produce N=C(N)NC(=O)c1cn(-c2ccnc3ccccc23)c2ncccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.