Task: Answer the MCQ question.
Question: Which compound exhibits a 4.877\% 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)c1c(C)n(C)c2ccc(O)c(CN3CCN(C)CC3)c12
b: COc1ccc(C(=O)N/N=c2\oc3ccccc3cc2C(N)=O)cc1
c: CCS(=O)(=O)Nc1ccc(Cc2ccc(NS(=O)(=O)CC)cc2)cc1
d: CCN1CCN(C(=O)c2sc3nc(C)nc(N4CCC(C)CC4)c3c2C)CC1
Answer: a. CCOC(=O)c1c(C)n(C)c2ccc(O)c(CN3CCN(C)CC3)c12
{#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)c1c(C)n(C)c2ccc(O)c(CN3CCN(C)CC3)c12
CCOC(=O)c1c(C)n(C)c2ccc(O)c(CN3CCN(C)CC3)c12
ethyl 5-hydroxy-1,2-dimethyl-4-[(4-methylpiperazin-1-yl)methyl]indole-3-carboxylate