Task: Answer the multiple choice question.
Question: Which compound has a 1.998\% 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] CCOC(=O)c1ccc2c(c1)n(CCCS(=O)(=O)[O-])c(/C=C/c1ccc(Cl)cc1)[n+]2CC
[b] Cc1cc(C)cc(NC(=O)c2cc(C)nc3ccccc23)c1
[c] COc1ccc([N+](=O)[O-])cc1N(CC(=O)N1CCCC1)S(C)(=O)=O
[d] CCOCCCNC(=O)Cc1ccc(-n2c(CC)nc3cccnc32)cc1
Answer: d. CCOCCCNC(=O)Cc1ccc(-n2c(CC)nc3cccnc32)cc1
{#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#}
CCOCCCNC(=O)Cc1ccc(-n2c(CC)nc3cccnc32)cc1
CCOCCCNC(=O)Cc1ccc(-n2c(CC)nc3cccnc32)cc1
N-(3-ethoxypropyl)-2-[4-(2-ethylimidazo[4,5-b]pyridin-3-yl)phenyl]acetamide