Problem statement: Answer the multiple-choice question.
Question: Which compound has a -21.149\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(CCN(C)CCC(=O)Nc2cc(C)ccc2C)cc1OC
b. Cl.NCCCCCCNS(=O)(=O)c1cccc2c(Cl)cccc12
Answer: a. COc1ccc(CCN(C)CCC(=O)Nc2cc(C)ccc2C)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#}
3-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-N-(2,5-dimethylphenyl)propanamide