Identify the molecules $(A)$ and $(B)$ shown below and select the right option giving their source and use.
| Molecule | Source | Uses |
| :--- | :--- | :--- |

  • A
    $(A)$ Cocaine $\to$ Erythroxylum coca $\to$ Accelerates the transport of dopamine
  • B
    $(B)$ Heroin $\to$ Cannabis sativa $\to$ Depressant and slows down body functions
  • C
    $(B)$ Cannabinoid $\to$ Atropa belladona $\to$ Produces hallucinations
  • D
    $(A)$ Morphine $\to$ Papaver somniferum $\to$ Sedative and pain killer

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