[{"from": "human", "value": "Given SMILES, write its solar cell short-circuit current density as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(C(C3=CC=CC(OCC(CC)CCCC)=C3)=C(C=C(C4=C5C(C(F)=C(C(OCC(CCCC)CC)=O)S5)=C(C)S4)S6)C6=C2C7=CC=CC(OCC(CC)CCCC)=C7)S1\n"}, {"from": "gpt", "value": " 16.4\n"}]