Task: Answer the MCQ question.
Question: Which drug exhibits a -18.711\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC(C)CCN(CC(=O)NCc1ccc(F)cc1)S(=O)(=O)c1ccccc1F
b: CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)NCc3cccnc3)c12
Answer: b. CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)NCc3cccnc3)c12
{#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#}
CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)NCc3cccnc3)c12
CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)NCc3cccnc3)c12
2-(4-butyl-7-methyl-2-oxochromen-5-yl)oxy-N-(pyridin-3-ylmethyl)acetamide