[{"from": "human", "value": "What is solar cell fill factor of given SMILES at normal measurement conditions.? ->  CC(S1)=CC2=C1C(OCC(CCCC)CC)=C(C=C(C3=C4C(C=C(C(OCC(CCCCCC)CCCC)=O)S4)=C(C)S3)S5)C5=C2OCC(CCCC)CC\n"}, {"from": "gpt", "value": " 25.0\n"}]