The SMILES Cc1nn(CC(=O)NCc2ccccc2)c(C)c1[N+](=O)[O-] is not inhibiting CYP P450 2C9.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2C9_inhibition#not &NULL}{CYP2C9_inhibition__names__gerund}.