Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 9.446\% 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) COC(=O)NC(Nc1sc2c(c1C(N)=O)CCCC2)(C(=O)OC)C(F)(F)F
(b) CN1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
Answer: b. CN1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
{#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#}
CN1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
CN1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
1-methyl-4-naphthalen-2-ylsulfonylpiperazine