Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 2.436\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(Cn1nnc2ccccc2c1=O)Nc1ccc2c(c1)CCC2
b: CCOC(=O)c1[nH]c2cc3c(cc2c1NC(=O)CN1CCC(C)CC1)OCO3
Answer: b. CCOC(=O)c1[nH]c2cc3c(cc2c1NC(=O)CN1CCC(C)CC1)OCO3
{#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)c1[nH]c2cc3c(cc2c1NC(=O)CN1CCC(C)CC1)OCO3
CCOC(=O)c1[nH]c2cc3c(cc2c1NC(=O)CN1CCC(C)CC1)OCO3
ethyl 7-[[2-(4-methylpiperidin-1-yl)acetyl]amino]-5H-[1,3]dioxolo[4,5-f]indole-6-carboxylate