[{"from": "human", "value": "What is solar cell short-circuit current density of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC(S1)=CC2=C1C(OC[C@H](CCCC)CC)=C(C=C(C3=CC=C(C(N(CC(CCCCCC)CCCCCCCC)C4=O)=C5C4=C(C6=CC=C(C)S6)N(CC(CCCCCC)CCCCCCCC)C5=O)S3)S7)C7=C2OC[C@H](CCCC)CC\n"}, {"from": "gpt", "value": " 6.5\n"}]