Using O, Cn1cc(NC(=O)c2cc(NC(=O)c3cc([N+](=O)[O-])nn3C)cn2C)cc1C(=O)NCCC(=N)N to produce Cn1cc(NC(=O)c2cc(NC(=O)c3cc([N+](=O)[O-])nn3C)cn2C)cc1C(=O)NCCC(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.