Task: Answer the MCQ question.
Question: Which compound exhibits a -13.800\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] O=C(CSc1ccc(-c2cccs2)nn1)Nc1ccccc1F
[b] CN(C)c1c(F)cc(C(=O)NC(=O)NCc2cccnc2)cc1F
[c] COc1ccc2[nH]c3nc(SC(C)C)nnc3c2c1
[d] CCOc1ccc(-n2c(O)c(/C=N/NC(=O)C3COc4ccccc4O3)c3ccccc3c2=O)cc1
[e] CN1CCN(CC(=O)N/N=C/c2ccc(F)c(F)c2)CC1
Answer: a. O=C(CSc1ccc(-c2cccs2)nn1)Nc1ccccc1F
{#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#}
O=C(CSc1ccc(-c2cccs2)nn1)Nc1ccccc1F
O=C(CSc1ccc(-c2cccs2)nn1)Nc1ccccc1F
N-(2-fluorophenyl)-2-(6-thiophen-2-ylpyridazin-3-yl)sulfanylacetamide