[{"from": "human", "value": "What is band gap of given SMILES at normal measurement conditions.? ->  CC1=CC=C(C2=CC=C(C3=CC=C(C4=CC=C(C5=CC=C(C)S5)C6=NSN=C64)S3)C=C2C7(CC(CC)CCCC)CC(CC)CCCC)C7=C1\n"}, {"from": "gpt", "value": " 1.85\n"}]