Task: Answer the multiple-choice question.
Question: Which compound exhibits a 17.480\% 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: CCOC(=O)c1sc2nc(C)n(N)c(=O)c2c1C
b: Cn1nc(-c2ccccc2)cc1NC(=O)c1ccccc1
c: CC(=O)Nc1ccc(NC(=O)CCCSc2nc3ccccc3[nH]2)cc1
d: Cc1cccc(Oc2ccc(NS(=O)(=O)c3ccc(C)c(C(=O)O)c3)cc2)c1
Answer: a. CCOC(=O)c1sc2nc(C)n(N)c(=O)c2c1C
{#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#}
CCOC(=O)c1sc2nc(C)n(N)c(=O)c2c1C
CCOC(=O)c1sc2nc(C)n(N)c(=O)c2c1C
ethyl 3-amino-2,5-dimethyl-4-oxothieno[2,3-d]pyrimidine-6-carboxylate