[{"from": "human", "value": "Write band gap of given SMILES at normal measurement conditions.. ->  CC1=CC2=C(C(C3=CC=C(SCC(CCCC)CC)S3)=C(C=C(C4=C5C(C(N(CC(CC)CCCC)C5=O)=O)=C(C)S4)S6)C6=C2C7=CC=C(SCC(CCCC)CC)S7)S1\n"}, {"from": "gpt", "value": " 1.88\n"}]