Task: Answer the MCQ question.
Query: Which drug has a -5.042\% 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 CC1CCN(C(=O)c2ccc(S(=O)(=O)N(C)C)cc2)C(C)C1
b CCOC(=O)COc1ccc(Oc2nc(C)cc(OC)n2)nn1
Answer: b. CCOC(=O)COc1ccc(Oc2nc(C)cc(OC)n2)nn1
{#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)COc1ccc(Oc2nc(C)cc(OC)n2)nn1
CCOC(=O)COc1ccc(Oc2nc(C)cc(OC)n2)nn1
ethyl 2-[6-(4-methoxy-6-methylpyrimidin-2-yl)oxypyridazin-3-yl]oxyacetate