[{"from": "human", "value": "What is solar cell average value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC(CC(CCCCCCCCCC)CCCCCCCCCCCC)=C(S1)C2=NC3=NC(S4)=C(N=C3S2)N=C4C5=C(CC(CCCCCCCCCCCC)CCCCCCCCCC)C=C(C6=C(CCCCCC)C=C(C7=CC(CCCCCC)=C(C)S7)S6)S5\n"}, {"from": "gpt", "value": " 1.82\n"}]