Using CC(C)(C)OC(=O)C(C)(C)Sc1nc(CCN)cs1, O=C(O)c1cnn(-c2ccccc2)c1 to produce CC(C)(C)OC(=O)C(C)(C)Sc1nc(CCNC(=O)c2cnn(-c3ccccc3)c2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.