Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -4.302\% 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 or b without using any other words.
Options:
[a] CCOC(=O)c1cc(C#N)c(N2CCOCC2)nc1-c1ccccc1
[b] COCCn1c(C)cc(/C=C(\C#N)C(=O)OC(C)C(=O)Nc2ccc(NC(C)=O)cc2)c1C
Answer: a. CCOC(=O)c1cc(C#N)c(N2CCOCC2)nc1-c1ccccc1
{#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)c1cc(C#N)c(N2CCOCC2)nc1-c1ccccc1
CCOC(=O)c1cc(C#N)c(N2CCOCC2)nc1-c1ccccc1
ethyl 5-cyano-6-morpholin-4-yl-2-phenylpyridine-3-carboxylate