The molecule with the SMILES CCN1C(=O)N[C@H](c2ccccc2)C1=O is not a CYP3A4 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP3A4_Substrate#not &NULL}a {CYP3A4_Substrate__names__noun}.