Task: Answer the multiple choice question.
Query: Which compound exhibits a -0.054\% 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) CCn1c(C)nc2cc(S(=O)(=O)N3CCCCC3)ccc21
b) COc1ccc(CNCCC(c2ccc(F)cc2)c2ccc(OC)cc2)cc1
Answer: a. CCn1c(C)nc2cc(S(=O)(=O)N3CCCCC3)ccc21
{#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#}
CCn1c(C)nc2cc(S(=O)(=O)N3CCCCC3)ccc21
CCn1c(C)nc2cc(S(=O)(=O)N3CCCCC3)ccc21
1-ethyl-2-methyl-5-piperidin-1-ylsulfonylbenzimidazole