Using C[C@H]1CN(c2ccncc2[N+](=O)[O-])C[C@@H]2[C@@H]1OC(=O)N2C(=O)OC(C)(C)C to produce C[C@H]1CN(c2ccncc2N)C[C@@H]2[C@@H]1OC(=O)N2C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.