Using N=C(N)N, O=C(Cl)c1cn(-c2ccc3ncccc3c2)c2ccccc12 to produce N=C(N)NC(=O)c1cn(-c2ccc3ncccc3c2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.