Using Cc1cc2nc(N)cc(-c3ccccc3)n2n1, COC(=O)CC(C)(C)c1ccc(C(=O)Cl)cc1 to produce COC(=O)CC(C)(C)c1ccc(C(=O)Nc2cc(-c3ccccc3)n3nc(C)cc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.