[{"from": "human", "value": "What is solar cell solar cell VOC of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC=C(C(N(CCCCCCCC)C2=O)=C(C2=C(C(S3)=CC=C3C(S4)=CC(C4=C5CCC(CCCCCCCC)CCCCC)=C(CCC(CCCCC)CCCCCCCC)C6=C5C=C(C)S6)N7CCCCCCCC)C7=O)S1\n"}, {"from": "gpt", "value": " 5.2\n"}]