[{"from": "human", "value": "Given SMILES, write its band gap at normal measurement conditions.. ->  CC1=CC=C(C2=CC=C(/C(C(N3CC(CCCCCC)CCCCCCCC)=O)=C4C(N(CC(CCCCCCCC)CCCCCC)C5=C\\4C=CC(C)=C5)=O)C3=C2)S1\n"}, {"from": "gpt", "value": " 1.62\n"}]