[{"from": "human", "value": "Write band gap of given SMILES at normal measurement conditions.. ->  CC1=CC2=C(C(OCC(CC)CCCC)=C(C=C(C3=CC=C(N(C4=CC=C(C5=CC=C(C6=CC=C(CCCCCCCC)S6)C7=NSN=C75)S4)C8=CC=C(C)C=C8)C=C3)S9)C9=C2OCC(CC)CCCC)S1\n"}, {"from": "gpt", "value": " 1.82\n"}]