Task: Answer the multiple choice question.
Question: Which drug has a 5.213\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COCCOC(=O)c1ccc(NC(=O)COc2ccc([N+](=O)[O-])cc2)cc1
b. CC1CCCCN1CCNC(=O)CC1Oc2ccccc2NC1=O
c. CC(C)CCn1c(CN2CC(C)OC(C)C2)nc2c1c(=O)n(C)c(=O)n2C
d. CCC(C)Nc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccc(Cl)cc1
Answer: b. CC1CCCCN1CCNC(=O)CC1Oc2ccccc2NC1=O
{#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#}
N-[2-(2-methylpiperidin-1-yl)ethyl]-2-(3-oxo-4H-1,4-benzoxazin-2-yl)acetamide