Task: Answer the MCQ question.
Question: Which compound exhibits a 8.421\% 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: O=C(OCc1ccccc1)c1cccc(-c2nnn(Cc3ccccc3)n2)c1
b: O=C(Cc1ccccc1)Nc1c(Cl)ccc2nsnc12
c: c1ccc(-c2nnc(-c3ccccn3)nc2NC2CCCCC2)cc1
d: CC(C)N(Cc1ccc(F)cc1)C(=O)c1cc2ccccc2oc1=O
e: CCCCn1c(O)c(/C=N/N2CCOCC2)c(=O)[nH]c1=S
Answer: b. O=C(Cc1ccccc1)Nc1c(Cl)ccc2nsnc12
{#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#}
O=C(Cc1ccccc1)Nc1c(Cl)ccc2nsnc12
O=C(Cc1ccccc1)Nc1c(Cl)ccc2nsnc12
N-(5-chloro-2,1,3-benzothiadiazol-4-yl)-2-phenylacetamide