Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1ccc2c(-c3nnc(SCCCN4CC5CC5(c5ccccc5)C4)n3C)cccc2n1
b: C[NH+]1CCC[C@@H]1c1cccnc1
c: O=C(Nc1ccc(-c2nnc(NCCCN3C[C@@H]4CC[C@H]3C4)o2)cc1)c1ccccc1F
d: CC(C)Oc1cc(Nc2nc(N[C@@H](C)c3ccc(F)cn3)ncc2Cl)[nH]n1
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}
3-[(2R)-1-methylpyrrolidin-1-ium-2-yl]pyridine