Task: Answer the multiple choice question.
Question: Which compound exhibits a 18.109\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1cc(OCC(=O)NCCN2CCOCC2)c2c(C)c(C)c(=O)oc2c1
b: CCOC(=O)c1cc(C)n(-c2c(C)n(C)n(-c3ccccc3)c2=O)c1C
Answer: b. CCOC(=O)c1cc(C)n(-c2c(C)n(C)n(-c3ccccc3)c2=O)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(C)n(-c2c(C)n(C)n(-c3ccccc3)c2=O)c1C
CCOC(=O)c1cc(C)n(-c2c(C)n(C)n(-c3ccccc3)c2=O)c1C
ethyl 1-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2,5-dimethylpyrrole-3-carboxylate