[{"from": "human", "value": "What is band gap of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC2=C(C(SC(C3=CC(CCCCCCCC)=C(C4=CC=C(C5=C(CCCCCCCC)C=C(C)S5)C6=NSN=C46)S3)=C7)=C7N2C8=CC=C(CCCCCCCC)C=C8)S1\n"}, {"from": "gpt", "value": " 1.62\n"}]