The molecule with the SMILES CCS(=O)(=O)CCn1c([N+](=O)[O-])cnc1C is not a CYP2C9 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2C9_Substrate#not &NULL}a {CYP2C9_Substrate__names__noun}.