[{"from": "human", "value": "What is band gap of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC=C(C(N(CC(CCCCCC)CCCC)C2=O)=C(C2=C(C(S3)=CC=C3C(S4)=CC(C4=C5C6=CC=C(CC(CC)CCCC)S6)=C(C7=CC=C(CC(CC)CCCC)S7)C8=C5C=C(C)S8)N9CC(CCCC)CCCCCC)C9=O)S1\n"}, {"from": "gpt", "value": " 1.5\n"}]