Task: Answer the MCQ question.
Query: Which compound exhibits a 12.351\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCN(CC(=O)NC)S(=O)(=O)c1ccc(Br)cc1
[b] CCc1ccc(C2CC(=O)N3CN(c4ccccc4)CSC3=C2C#N)cc1
[c] c1ccc2c(Cn3nnc4ccccc43)cccc2c1
[d] CCC(=O)Nc1ccc(S(=O)(=O)NCC2CCCO2)cc1
Answer: a. CCN(CC(=O)NC)S(=O)(=O)c1ccc(Br)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#}
2-[(4-bromophenyl)sulfonyl-ethylamino]-N-methylacetamide