Task: Answer the MCQ question.
Query: Which drug exhibits a 11.643\% 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.OC[C@H]1O[C@@H](n2cnc3c(NC4CCCC4)nc(Cl)nc32)[C@H](O)[C@@H]1O
[b] O=C(NCCCN1CCOCC1)C(=O)NCCc1ccccc1
Answer: b. O=C(NCCCN1CCOCC1)C(=O)NCCc1ccccc1
{#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(NCCCN1CCOCC1)C(=O)NCCc1ccccc1
O=C(NCCCN1CCOCC1)C(=O)NCCc1ccccc1
N-(3-morpholin-4-ylpropyl)-N'-(2-phenylethyl)oxamide