Task: Answer the MCQ question.
Question: Which compound exhibits a 6.306\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COC(=O)[C@@H](NC(=O)N1CCN(C(=O)C2COc3ccccc3O2)CC1)C(C)C
(b) CCS(=O)(=O)c1nc(S(=O)(=O)c2ccc(Cl)cc2)c(NCCCN2CCOCC2)s1
(c) Cc1nn(C(C)(C)C)c(OC(=O)CC(C)C)c1S(=O)(=O)c1ccccc1
Answer: a. COC(=O)[C@@H](NC(=O)N1CCN(C(=O)C2COc3ccccc3O2)CC1)C(C)C
{#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)[C@@H](NC(=O)N1CCN(C(=O)C2COc3ccccc3O2)CC1)C(C)C
COC(=O)[C@@H](NC(=O)N1CCN(C(=O)C2COc3ccccc3O2)CC1)C(C)C
methyl (2S)-2-[[4-(2,3-dihydro-1,4-benzodioxine-3-carbonyl)piperazine-1-carbonyl]amino]-3-methylbutanoate