Task: Answer the MCQ question.
Question: Which compound has a 20.707\% 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 other words.
Options:
a: CCC(c1nnnn1CS(=O)(=O)c1ccc(C)cc1)N1CCC(C(N)=O)CC1.Cl
b: Cn1c(=O)oc2cc(S(=O)(=O)Nc3ccccc3C(=O)O)ccc21
Answer: b. Cn1c(=O)oc2cc(S(=O)(=O)Nc3ccccc3C(=O)O)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#}
Cn1c(=O)oc2cc(S(=O)(=O)Nc3ccccc3C(=O)O)ccc21
Cn1c(=O)oc2cc(S(=O)(=O)Nc3ccccc3C(=O)O)ccc21
2-[(3-methyl-2-oxo-1,3-benzoxazol-6-yl)sulfonylamino]benzoic acid