[{"from": "human", "value": "What is band gap of given SMILES at room temperature and atmospheric pressure? ->  CC1=C(C(SC(C(CCCCCCC)=O)=C2)=C2C3=O)C3=C(C4=CC5=C(C(SC(C)=C6)=C6[Si]5(CC(CC)CCCC)CC(CC)CCCC)S4)S1\n"}, {"from": "gpt", "value": " 1.72\n"}]