Using O=C(CC(=O)N1CCC(Oc2ccccc2[N+](=O)[O-])CC1)Nc1ccc(-c2ccccc2)cc1 to produce Nc1ccccc1OC1CCN(C(=O)CC(=O)Nc2ccc(-c3ccccc3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.