Task: Answer the MCQ question.
Query: Which drug has a 4.816\% 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)c1ccsc1NC(=O)CN1CCN(Cc2ccc3c(c2)OCO3)CC1
[b] CCS(=O)(=O)NC(C)C(c1cccs1)N1CCN(C)CC1
Answer: b. CCS(=O)(=O)NC(C)C(c1cccs1)N1CCN(C)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#}
N-[1-(4-methylpiperazin-1-yl)-1-thiophen-2-ylpropan-2-yl]ethanesulfonamide