Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) N#Cc1ccc(C[C@@H](C(=O)O)N2CCC(CN3CCC(Oc4ccc(Cl)c(Cl)c4)CC3)CC2)cc1
(b) CC(=O)Nc1cc(Nc2cc(NC3CCC3)n3ncc(C#N)c3n2)ccc1C
(c) CCN(C(=O)Cc1ccc(S(C)(=O)=O)cc1)C1CCN(CC[C@@H](c2ccccc2)C2CCN(S(C)(=O)=O)CC2)CC1
(d) COc1ccc2[nH]c3c(c2c1)C[C@H]1c2cc4c(cc2CCN1C3)OCO4
(e) COC1=CC(c2cc3ccccc3[nH]2)=NC1=Cc1[nH]c(C)cc1C
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
(2S)-3-(4-cyanophenyl)-2-[4-[[4-(3,4-dichlorophenoxy)piperidin-1-yl]methyl]piperidin-1-yl]propanoic acid