Using CCOC(=O)C1(C(C[N+](=O)[O-])c2ccccc2)CCN(Cc2ccccc2)CC1 to produce CCOC(=O)C1(C(CN)c2ccccc2)CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.