Match the following photoreceptors with their prosthetic groups and spectral specificity:

$\begin{array}{|l|l|l|} \hline \textbf{Photoreceptor} & \textbf{Moiety that absorbs light} & \textbf{Absorption (nm)} \\ \hline \text{P. Phototropin} & \text{1. Chromobilin} & \text{a. }400-500 \\ \hline \text{Q. Cryptochrome} & \text{2. FAD} & \text{b. } 600- 800 \\ \hline \text{R. Phytochrome} & \text{3. FMN} & \text{c. } 500-600 \\ \hline \end{array}$

1. $\text{P-3-a, Q-2-a, R-1-b}$
2. $\text{P-1-b, Q-1-a, R-3-b}$
3. $\text{P-3-a, Q-1-a, R-1-c}$
4. $\text{P-2-c, Q-1-c, R-1-a}$