Task: Answer the MCQ question.
Query: Which compound exhibits a -14.094\% 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 COCCn1nnnc1C(c1ccc(N(C)C)cc1)N1CCN(Cc2ccccc2)CC1
b COC(=O)c1nc(-c2ccccc2)nc(-c2ccccc2)c1C(=O)OC
c Cc1cccc(S(=O)(=O)Nc2cccc3c2C(=O)c2ccccc2-3)c1
d O=C(N[C@H]1CCCCNC1=O)c1cc(COc2ccc(F)cc2F)on1
e CCN(Cc1cc2ccccc2[nH]c1=O)C(=O)c1cccnc1
Answer: b. COC(=O)c1nc(-c2ccccc2)nc(-c2ccccc2)c1C(=O)OC
{#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#}
COC(=O)c1nc(-c2ccccc2)nc(-c2ccccc2)c1C(=O)OC
COC(=O)c1nc(-c2ccccc2)nc(-c2ccccc2)c1C(=O)OC
dimethyl 2,6-diphenylpyrimidine-4,5-dicarboxylate