Task: Answer the multiple-choice question.
Query: Which compound exhibits a 10.773\% 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 additional words.
Options:
(a) COCc1cc(=O)n2[nH]c(N)nc2n1
(b) COc1ccc(OC)c(-c2nc(C(=O)NC3CCN(Cc4ccccc4)CC3)cc3c2[nH]c2ccccc23)c1
(c) Cc1ccc(/C=N/n2c(C3CCCCC3)n[nH]c2=S)cc1
(d) O=C1NC(=O)C2C1C(c1ccc([N+](=O)[O-])cc1)=NN2Cc1ccccc1
Answer: a. COCc1cc(=O)n2[nH]c(N)nc2n1
{#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#}
COCc1cc(=O)n2[nH]c(N)nc2n1
COCc1cc(=O)n2[nH]c(N)nc2n1
2-amino-5-(methoxymethyl)-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one