Task: Answer the multiple-choice question.
Question: Which compound has a -4.601\% 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) CCOC(=O)Nc1cccc(OCC(=O)Nc2ccccc2OC)c1
(b) O=S1(=O)N=C(N2CCN(Cc3ccccc3)CC2)c2ccccc21
Answer: b. O=S1(=O)N=C(N2CCN(Cc3ccccc3)CC2)c2ccccc21
{#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-(4-benzylpiperazin-1-yl)-1,2-benzothiazole1,1-dioxide