[{"from": "human", "value": "Given SMILES, write its band gap at room temperature and atmospheric pressure. ->  CC(S1)=CC2=C1C(OCC(CCCCCCCC)CCCCCC)=C(C=C(C3=C(CC(CC)CCCC)C=C(C4=C(F)C(F)=C(C5=CC(CC(CC)CCCC)=C(C)S5)C6=NSN=C64)S3)S7)C7=C2C8=CC=CC=C8\n"}, {"from": "gpt", "value": " 1.76\n"}]