Using O=CC1CCN(c2ccc([N+](=O)[O-])cc2)CC1, CNCc1ccccc1 to produce CN(Cc1ccccc1)CC1CCN(c2ccc([N+](=O)[O-])cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.