Text this: Kinetic Modeling for Photo-Assisted Penicillin G Degradation of (Mn<sub>0.5</sub>Zn<sub>0.5</sub>)[Cd<i><sub>x</sub></i>Fe<sub>2-<i>x</i></sub>]O<sub>4</sub> (x ≤ 0.05) Nanospinel Ferrites