Problem statement: Answer the multiple-choice question.
Question: Which drug has a 5.143\% 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 additional words.
Options:
[a] CCCOc1c(Br)cc(C(N)=O)cc1OCC
[b] CCSc1nc2sc3c(c2c(=O)n1-c1ccc(OC)cc1)CCN(C)C3
Answer: a. CCCOc1c(Br)cc(C(N)=O)cc1OCC
{#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#}
CCCOc1c(Br)cc(C(N)=O)cc1OCC
CCCOc1c(Br)cc(C(N)=O)cc1OCC
3-bromo-5-ethoxy-4-propoxybenzamide