[{"from": "human", "value": "Write solar cell fill factor of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(OCC(CC)CCCC)C(OCC(CCCC)CC)=C3C(SC(C4=CC(SC(C5=C(OCCCCCCCC)C(OCCCCCCCC)=C(C6=CC(SC(C)=C7)=C7S6)C8=NSN=C85)=C9)=C9S4)=C3)=C2S1\n"}, {"from": "gpt", "value": " 0.47600000000000003\n"}]