Using CC1CCN(C(=O)OC(C)(C)C)CC1c1ncc2cnc3[nH]ccc3n12 to produce CC1CCNCC1c1ncc2cnc3[nH]ccc3n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.