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 or b without using any other words.
Options:
(a) O=C(OC1C[C@@H]2CC3C[C@@H](C1)N2CC3=O)c1c[nH]c2ccccc12
(b) c1ccc2c3c([nH]c2c1)C(C1CCOCC1)NC(c1nc(C2C4CC5CC(C4)CC2C5)c[nH]1)C3
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}
[(3S,7S)-10-oxo-8-azatricyclo[5.3.1.03,8]undecan-5-yl] 1H-indole-3-carboxylate