Task: Answer the MCQ question.
Question: Which compound exhibits a 19.758\% 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] CCc1c(C)[nH]n(-c2nc(-c3ccccc3)cs2)c1=O
[b] COc1ccc(NC2=Nc3cccc4cccc2c34)cc1OC
[c] CC(=O)Nc1ccc(S(=O)(=O)N2CCC(C(N)=O)(N3CCCCC3)CC2)cc1
[d] CC(C)(Oc1ccc(Cl)cc1)C(=O)OCC(=O)N1CCN(c2ccccc2)CC1
Answer: a. CCc1c(C)[nH]n(-c2nc(-c3ccccc3)cs2)c1=O
{#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#}
CCc1c(C)[nH]n(-c2nc(-c3ccccc3)cs2)c1=O
CCc1c(C)[nH]n(-c2nc(-c3ccccc3)cs2)c1=O
4-ethyl-5-methyl-2-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-3-one