Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: O=C(c1ccc(OCC[NH+]2CCCCC2)cc1)c1c(-c2ccc(O)cc2)sc2cc(O)ccc12
b: Clc1ccc2nsnc2c1NC1=[NH+]CCN1
c: O=C(OC1C[C@@H]2CC3C[C@H](C1)[NH+]2C[C@@H]3O)c1c[nH]c2ccccc12
Answer: c
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}
[(3S,7R,10R)-10-hydroxy-8-azoniatricyclo[5.3.1.03,8]undecan-5-yl]1H-indole-3-carboxylate