Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -0.209\% 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. COc1ccc(CCNC(=O)CCNC(=O)c2ccc(Br)cc2)cc1OC
b. CCc1cc[n+](-c2nc([O-])sc2C=O)cc1
Answer: a. COc1ccc(CCNC(=O)CCNC(=O)c2ccc(Br)cc2)cc1OC
{#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#}
COc1ccc(CCNC(=O)CCNC(=O)c2ccc(Br)cc2)cc1OC
COc1ccc(CCNC(=O)CCNC(=O)c2ccc(Br)cc2)cc1OC
4-bromo-N-[3-oxo-3-[2-(4,5-dimethoxyphenyl)ethylamino]propyl]benzamide