[{"from": "human", "value": "Given SMILES, write its band gap at room temperature and atmospheric pressure. ->  CC1=CC2=C(C3=CC([Si](CCCCCCCC)(CCCCCCCC)C4=C5SC(C6=CC=C(C)C7=NSN=C76)=C4)=C5C=C3[Si]2(CCCCCCCC)CCCCCCCC)S1\n"}, {"from": "gpt", "value": " 1.96\n"}]