The SMILES O=P(Cc1cc[n+]([O-])cc1)(c1ccccc1)c1ccccc1 is not inhibiting CYP P450 2C9.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2C9_inhibition#not &NULL}{CYP2C9_inhibition__names__gerund}.