Task: Answer the MCQ question.
Question: Which drug has a 0.247\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CC1CCCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2Cc2ccccc2)C1
b) COC(=O)c1ccc(-n2cc(-c3ccc(OC)cc3)[nH]c2=S)cc1
c) CCOc1cc(C(N)=O)cc(Br)c1OCC
d) Cc1cc(NC(=O)CN2CCN(Cc3ccccc3)CC2)nc2c1c(=O)oc1ccccc12
Answer: c. CCOc1cc(C(N)=O)cc(Br)c1OCC
{#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#}
3-bromo-4,5-diethoxybenzamide