Problem statement: Answer the multiple choice question.
Query: Which compound has a 0.674\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(/C=C/c1ccc([N+](=O)[O-])s1)N1CCCCC1
b: CCN1CCN(Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)CC1
Answer: b. CCN1CCN(Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)CC1
{#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#}
CCN1CCN(Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)CC1
CCN1CCN(Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)CC1
2,6-ditert-butyl-4-[(4-ethyl-1,4-diazinan-1-yl)methyl]phenol