Using CCCCN(CC(=O)OCc1ccccc1)C(=O)[C@H](CCCNC(=N)N)N(C(=O)OC(C)(C)C)[N+](=O)[O-] to produce CCCCN(CC(=O)OCc1ccccc1)C(=O)[C@H](CCCNC(=N)N)N[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.