[{"from": "human", "value": "What is band gap of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC2=C(C(C3=CC=C(CC(CCCC)CC)S3)=C(C=C(C4=CC=C(C5=NN=C(C6=CC=C(C)S6)C(C(N7CC(CCCCCCCCCCCC)CCCCCCCCCC)=O)=C5C7=O)S4)S8)C8=C2C9=CC=C(CC(CC)CCCC)S9)S1\n"}, {"from": "gpt", "value": " 1.7\n"}]