[{"from": "human", "value": "Given SMILES, write its solar cell solar cell open-circuit voltage as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(SC3=C4SC5=C3C(N(CC(CCCCCCCC)CCCCCC)C6=C5SC(C7=CC=C(C)[Se]7)=C6)=O)=C4C(N2CC(CCCCCCCC)CCCCCC)=O\n"}, {"from": "gpt", "value": " 13.55\n"}]