Task: Answer the multiple-choice question.
Question: Which compound has a 0.171\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccc(NC2CC(=O)N(C)C2=O)cc1
b. CCOC(=O)Nc1ccc2c(c1)N(C(=O)CN1CCN(CCO)CC1)c1ccccc1CC2.Cl
c. CCOC(=O)c1cnc(SC)nc1Sc1cc(Cl)ccc1Cl
Answer: a. COc1ccc(NC2CC(=O)N(C)C2=O)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#}
COc1ccc(NC2CC(=O)N(C)C2=O)cc1
COc1ccc(NC2CC(=O)N(C)C2=O)cc1
3-(4-methoxyanilino)-1-methylpyrrolidine-2,5-dione