Task: Answer the MCQ question.
Query: Which compound exhibits a 30.951\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a COc1cc(/C=N/NC(=O)c2cccs2)ccc1O
b CCOc1ccc(CN2CCNC(=O)C2CC(=O)OC)cc1
c COC(=O)NCc1cccc(CNC(=O)OC)c1
d COc1[nH]c(/N=C/c2ccccc2)c(C#N)c1C#N
e CCc1cccc2c(C(=O)COC(=O)/C=C/c3ccccc3OC)c[nH]c12
Answer: b. CCOc1ccc(CN2CCNC(=O)C2CC(=O)OC)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#}
methyl2-[1-[(4-ethoxyphenyl)methyl]-3-oxopiperazin-2-yl]acetate