[{"from": "human", "value": "Write solar cell solar cell maximum value of PCE of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(OCCCCCC)=C(C=C(C3=CC=C(C(N(CCCCCC)C4=O)=C5C4=C(C6=CC=C(C)S6)N(CCCCCC)C5=O)S3)S7)C7=C2OCCCCCC\n"}, {"from": "gpt", "value": " 2.78\n"}]