Task: Answer the MCQ question.
Question: Which compound exhibits a -2.726\% 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.) Cc1cc(C)cc(NC(=O)C2CCN(S(C)(=O)=O)CC2)c1
b.) O=C(O)c1cccc(N2C(=O)c3cc4cccc(Br)c4cc3C2=O)c1
c.) CCCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
d.) O=C(Cc1ccccc1)NN1C(=O)c2ccccc2C1=O
e.) CCC(C)C(NC(=O)c1ccccc1NC(=O)c1ccccc1)C(=O)O
Answer: d. O=C(Cc1ccccc1)NN1C(=O)c2ccccc2C1=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#}
O=C(Cc1ccccc1)NN1C(=O)c2ccccc2C1=O
O=C(Cc1ccccc1)NN1C(=O)c2ccccc2C1=O
N-(1,3-dioxoisoindol-2-yl)-2-phenylacetamide