Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1cc(C#N)ccc1-c1ccnc(NCc2n[nH]c3ncccc23)c1
(b) Cc1nn(C2CCN(C(=O)[C@@H](C)N)CC2)c(C)c1Nc1ncc(Cl)c(-c2cnn3ccccc23)n1
(c) CNc1nc(NCC(F)(F)F)c2sc(-c3ccc(C(F)(F)F)cc3)cc2n1
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}
3-methyl-4-[2-(1H-pyrazolo[3,4-b]pyridin-3-ylmethylamino)pyridin-4-yl]benzenecarbonitrile