[{"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(OCC(CC)CCCC)=C(C=C(C3=CC=C(N(C4=CC=C(C)C=C4)C5=CC=C(C6=CC=C(C7=CC=C(C8=CC=C(CCCCCCCC)S8)C9=NSN=C97)S6)C=C5)C=C3)S%10)C%10=C2OCC(CC)CCCC)S1\n"}, {"from": "gpt", "value": " 9.4\n"}]