Using CNCC1CCN(C(=O)OC(C)(C)C)CC1, O=Cc1ccnc(-c2ccncc2)n1 to produce CN(Cc1ccnc(-c2ccncc2)n1)CC1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.