[{"from": "human", "value": "Write solar cell fill factor of given SMILES at normal measurement conditions.. ->  CC1=CC2=C(C(SC(C3=C(C(N(CCCCCCCC)C4=O)=O)C4=C(C)S3)=C5)=C5[Si]2(CC(CC)CCCC)CC(CCCC)CC)S1\n"}, {"from": "gpt", "value": " 19.4\n"}]