Using CC(C)(C)OC(=O)Nc1cccnc1, O=C=Nc1ccc(Cl)cc1 to produce CC(C)(C)OC(=O)Nc1cnccc1C(=O)Nc1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.