[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][N]"}, {"from": "gpt", "value": "The molecule is a Porphyrin Precursor and Optical Imaging Agent. The mechanism of action of aminolevulinic acid is as a Fluorescence Contrast Activity."}]