Task: Answer the multiple choice question.
Query: Which compound exhibits a 19.469\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1cccc(CC(=O)Nn2c(C)nc3ccccc3c2=O)c1
(b) CCCn1c(SCC(=O)NCc2cccs2)nc2c1c(=O)n(C)c(=O)n2C
(c) COc1c(F)c(F)c(C(=O)Nc2ccccc2N2CCN(C(=O)C(C)C)CC2)c(F)c1F
(d) CC(=O)NC(O)C(=O)c1ccccc1
Answer: d. CC(=O)NC(O)C(=O)c1ccccc1
{#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-hydroxy-2-oxo-2-phenylethyl)acetamide