Task: Answer the MCQ question.
Query: Which compound exhibits a 8.126\% 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 other words.
Options:
a CCN(C(=O)c1cc(Cl)ccc1OC)c1ccccc1C
b CCOC(=O)c1cc2nc(-c3ccccc3)cc(C)n2n1
Answer: a. CCN(C(=O)c1cc(Cl)ccc1OC)c1ccccc1C
{#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#}
CCN(C(=O)c1cc(Cl)ccc1OC)c1ccccc1C
CCN(C(=O)c1cc(Cl)ccc1OC)c1ccccc1C
5-chloro-N-ethyl-2-methoxy-N-(2-methylphenyl)benzamide