[{"from": "human", "value": "Given SMILES, write its band gap at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(OCC(CC)CCCC)=C(C=C(C3=CC4=C(/C(C(N4CC(CCCCCC)CCCCCCCC)=O)=C5C(N(CC(CCCCCC)CCCCCCCC)C6=C\\5C=CC(C)=C6)=O)C=C3)S7)C7=C2OCC(CCCC)CC)S1\n"}, {"from": "gpt", "value": " 1.58\n"}]