Task: Answer the MCQ question.
Question: Which drug exhibits a 14.981\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOC(=O)C1=C(C)N=c2s/c(=C\c3ccc(OCC(=O)O)cc3)c(=O)n2C1c1ccc(OC(C)C)cc1
(b) CCOC(=O)c1cc[nH]c1C
Answer: b. CCOC(=O)c1cc[nH]c1C
{#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[nH]c1C
CCOC(=O)c1cc[nH]c1C
ethyl 2-methyl-1H-pyrrole-3-carboxylate