Task: Answer the multiple-choice question.
Query: Which drug exhibits a 5.516\% 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. CCOc1ccccc1/C=N/NC(=O)CNC(=O)c1cccs1
b. COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1cccc(Cl)c1Cl
Answer: b. COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1cccc(Cl)c1Cl
{#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#}
COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1cccc(Cl)c1Cl
COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1cccc(Cl)c1Cl
4-[6-(2,3-dichlorophenyl)-5-methoxycarbonyl-4-methyl-2-oxo-1,6-dihydropyrimidin-3-yl]butanoic acid