[{"from": "human", "value": "Write band gap of given SMILES at normal measurement conditions.. ->  CC1=CC=C(C2=CC3=C(C(SC(C4=CC=C(C)C5=NSN=C54)=C6)=C6N3C(CCCCCCCC)CCCCCCCC)C=C2)S1\n"}, {"from": "gpt", "value": " 1.68\n"}]