The molecule with the SMILES representation of NC(=O)N1c2ccccc2CC(=O)c2ccccc21 is not a CYP2C9 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2C9_Substrate#not &NULL}a {CYP2C9_Substrate__names__noun}.