Task: Answer the MCQ question.
Question: Which compound exhibits a 19.526\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CC(C(=O)NC1CCCCC1)N1C(=O)C2C3C=CC(C3)C2C1=O
[b] Cc1ccc(C2(CC(=O)N3CCCC3)CCOC(C(C)C)C2)cc1
[c] COc1cc(C(=O)N/N=C(\C)Cc2ccccc2)cc(OC)c1OC
[d] CCOC(=O)N1C(=O)[C@@](c2ccc(Cl)cc2)(C(C)C)N1C(=O)OCC
Answer: d. CCOC(=O)N1C(=O)[C@@](c2ccc(Cl)cc2)(C(C)C)N1C(=O)OCC
{#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#}
CCOC(=O)N1C(=O)[C@@](c2ccc(Cl)cc2)(C(C)C)N1C(=O)OCC
CCOC(=O)N1C(=O)[C@@](c2ccc(Cl)cc2)(C(C)C)N1C(=O)OCC
diethyl(3S)-3-(4-chlorophenyl)-4-oxo-3-propan-2-yldiazetidine-1,2-dicarboxylate