[{"from": "human", "value": "What is solar cell open-circuit voltage of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=NC2=C(C=C(N=C(/C=C/C3=C(CCCCCCCCCCCC)C(CCCCCCCCCCCC)=C(/C=C/C)S3)O4)C4=C2)O1\n"}, {"from": "gpt", "value": " 0.4\n"}]