Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Nc1nc2cc3c(cc2s1)CCN(C1CC1)CC3
(b) CSc1ncccc1C(=O)N1CCC(NCc2cncn2Cc2ccc(C#N)cc2)C1
(c) COc1cc(N)c(Cl)cc1C(=O)N[C@H]1CCN(CC2CCN(C(=O)CC(C)C)CC2)C[C@H]1OC
Answer: b
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}
4-[[5-[[[1-(2-methylsulfanylpyridine-3-carbonyl)pyrrolidin-3-yl]amino]methyl]imidazol-1-yl]methyl]benzonitrile