Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 14.268\% 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, or d without using any other words.
Options:
a O=C(NCc1ccc(Cl)cc1Cl)C(=O)N1CCCCC1
b Clc1ccc(C2CC(c3cccs3)n3ncnc3N2)cc1Cl
c CCOc1ccc(C(C#N)N2CCOCC2)cc1OC
d CCOc1ccccc1NC(=O)CSc1nc(=O)n(Cc2ccccn2)c2c1CCC2
Answer: c. CCOc1ccc(C(C#N)N2CCOCC2)cc1OC
{#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#}
CCOc1ccc(C(C#N)N2CCOCC2)cc1OC
CCOc1ccc(C(C#N)N2CCOCC2)cc1OC
2-(4-ethoxy-3-methoxyphenyl)-2-morpholin-4-ylacetonitrile