Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 11.755\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(NC(=O)Nc2cccc([N+](=O)[O-])c2)cc1Cl
(b) COc1ccc(Oc2cc(C(F)(F)F)nc(N(C)C)n2)cc1
Answer: b. COc1ccc(Oc2cc(C(F)(F)F)nc(N(C)C)n2)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#}
4-(4-methoxyphenoxy)-N,N-dimethyl-6-(trifluoromethyl)pyrimidin-2-amine