Task: Answer the MCQ question.
Question: Which drug exhibits a 4.457\% 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 COc1ccc(-c2noc(CCc3ccccc3)n2)cc1
b CSc1cccc(NC(=O)CSc2nc3ccccc3o2)c1
c Cc1ccc(/C=N/Nc2nnc(Cl)c3ccccc23)cc1
d CC1=C(C#N)C(=O)N(C)C(C)(C)C1
Answer: a. COc1ccc(-c2noc(CCc3ccccc3)n2)cc1
{#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#}
3-(4-methoxyphenyl)-5-(2-phenylethyl)-1,2,4-oxadiazole