Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 11.870\% 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. O=C1C2CCCN2C(=O)N1CCCN1CCN(c2cccc(Cl)c2)CC1
b. CCN(CC)C(=O)C(=O)Nc1ccc(OCc2ccccc2)cc1
c. O=C(CCN1C(=O)c2ccccc2C1=O)NC1=NCCS1
d. CN(CCO)c1cc(N(C)CCO)c([N+](=O)[O-])cc1[N+](=O)[O-]
Answer: b. CCN(CC)C(=O)C(=O)Nc1ccc(OCc2ccccc2)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#}
CCN(CC)C(=O)C(=O)Nc1ccc(OCc2ccccc2)cc1
CCN(CC)C(=O)C(=O)Nc1ccc(OCc2ccccc2)cc1
N',N'-diethyl-N-(4-phenylmethoxyphenyl)oxamide