Task: Answer the multiple-choice question.
Query: Which drug has a -4.453\% 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: CCOC(=O)c1cc(NC(=O)Nc2nccs2)c(C)nc1C
b: CCCCN(C)CCCNC(=O)CC1Oc2ccccc2NC1=O
c: CCN(CC)S(=O)(=O)c1cc(Br)ccc1OC
d: CCCCC1CCC(/C(N)=N/O)CC1
Answer: b. CCCCN(C)CCCNC(=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#}
CCCCN(C)CCCNC(=O)CC1Oc2ccccc2NC1=O
CCCCN(C)CCCNC(=O)CC1Oc2ccccc2NC1=O
N-[3-[butyl(methyl)amino]propyl]-2-(3-oxo-4H-1,4-benzoxazin-2-yl)acetamide