Task: Answer the MCQ question.
Query: Which compound exhibits a 12.691\% 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 other words.
Options:
a: NC(=O)CNc1n[nH]c(=S)[nH]c1=O
b: CCCC(=O)N(CCN1CCOCC1)c1nc2cc(C)c(C)cc2s1.Cl
c: O=C(Cc1ccc(S(=O)(=O)N2CCOCC2)s1)N1CCN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC1
d: Cc1cc(C(=O)COC(=O)CNS(=O)(=O)c2ccc3ccccc3c2)c(C)n1-c1ccccc1
e: O=C(O)c1nn(-c2ccc(F)cc2)ccc1=O
Answer: a. NC(=O)CNc1n[nH]c(=S)[nH]c1=O
{#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#}
NC(=O)CNc1n[nH]c(=S)[nH]c1=O
NC(=O)CNc1n[nH]c(=S)[nH]c1=O
2-[(5-oxo-3-sulfanylidene-2H-1,2,4-triazin-6-yl)amino]acetamide