Task: Answer the MCQ question.
Question: Which drug exhibits a 1.335\% 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] COc1ccc(S(=O)(=O)N2CC3CCCN3c3cc(C(F)(F)F)ccc32)cc1
[b] CCOC(=O)Cn1nnnc1CN1CCN(c2ccc(OC)cc2)CC1
Answer: b. CCOC(=O)Cn1nnnc1CN1CCN(c2ccc(OC)cc2)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#}
CCOC(=O)Cn1nnnc1CN1CCN(c2ccc(OC)cc2)CC1
CCOC(=O)Cn1nnnc1CN1CCN(c2ccc(OC)cc2)CC1
ethyl 2-[5-[[4-(4-methoxyphenyl)piperazin-1-yl]methyl]tetrazol-1-yl]acetate