Task: Answer the multiple-choice question.
Query: Which compound has a 3.213\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CCc1c[nH]c2ccccc12)NCC1CCCO1
(b) O=C(CNC(=O)c1ccccc1F)NCCCN1CCCC1=O
Answer: b. O=C(CNC(=O)c1ccccc1F)NCCCN1CCCC1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(CNC(=O)c1ccccc1F)NCCCN1CCCC1=O
O=C(CNC(=O)c1ccccc1F)NCCCN1CCCC1=O
2-fluoro-N-[2-oxo-2-[3-(2-oxopyrrolidin-1-yl)propylamino]ethyl]benzamide