[{"from": "human", "value": "Write solar cell maximum value of PCE of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(S1)C(C3=NC=C(CCCCCCCCCC)S3)=C4C(SC(C5=C(SC(C(OCCCCCCCCCCCC)=O)=C6)C6=C(C)S5)=C4)=C2C7=NC=C(CCCCCCCCCC)S7\n"}, {"from": "gpt", "value": " 2.3\n"}]