Using O=C(OC1CCN(Cc2ccccc2[N+](=O)[O-])CC1)c1ccccc1 to produce Nc1ccccc1CN1CCC(OC(=O)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.