[{"from": "human", "value": "What is solar cell band gap of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC2=C(C(C3=CC=C(CC(CCCC)CC)S3)=C(C=C(C)S4)C4=C2C5=CC=C(CC(CCCC)CC)S5)S1\n"}, {"from": "gpt", "value": " 6.12\n"}]