[{"from": "human", "value": "Write solar cell FF of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(OCC(CC)CCCC)C(S3)=C(C(OCC(CC)CCCC)=C2S1)C=C3C4=CC5=C(/C(C(N5CC(CC)CCCC)=O)=C6C(N(CC(CCCC)CC)C7=CC(C)=CC=C7\\6)=O)C=C4\n"}, {"from": "gpt", "value": " 0.34\n"}]