Using CN(C(=O)OC(C)(C)C)C1CCN(c2nnc(-c3ccnn3C)c3ccccc23)CC1 to produce CNC1CCN(c2nnc(-c3ccnn3C)c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.