Task: Answer the multiple-choice question.
Question: Which drug exhibits a 7.564\% 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) N#C/C(=C\c1coc2ccc(O)cc2c1=O)C(=O)Nc1nc2ccccc2s1
b) CC1(C)NC(=O)N(CC(O)CN2CCCC2)C1=O
Answer: b. CC1(C)NC(=O)N(CC(O)CN2CCCC2)C1=O
{#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#}
1-(2-hydroxy-3-pyrrolidin-1-ylpropyl)-4,4-dimethylimidazolidine-2,5-dione