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, c, or d without using any other words.
Options:
a: O=C(OC1C[C@@H]2CC3C[C@H](C1)[NH+]2C[C@@H]3O)c1c[nH]c2ccccc12
b: C=C[C@H]1CN2CC[C@H]1C[C@@H]2[C@@H](O)c1ccnc2ccc(OC)cc12
c: CCS(=O)(=O)C[NH2+][C@@H]1c2cc(C[NH3+])ccc2OC(C)(C)[C@H]1O
d: N[C@H](CNO)C(=O)O
Answer: a, b, 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