[{"from": "human", "value": "Given SMILES, write its solar cell solar cell solar cell solar cell power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC1=CC(CCCCCCCCCCCC)=C(/C=C/C2=C(CCCCCCCCCCCC)C=C(C3=CC=C(C)C4=NSN=C34)S2)S1\n"}, {"from": "gpt", "value": " 0.57\n"}]