Task: Answer the MCQ question.
Question: Which compound has a 1.681\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C=CCOc1ccc(C2C(C(=O)c3ccco3)=C(O)C(=O)N2c2nnc(C)s2)cc1
b: CCN(CCNC(=O)c1ccc(C#N)cc1)c1cccc(C)c1
Answer: b. CCN(CCNC(=O)c1ccc(C#N)cc1)c1cccc(C)c1
{#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(CCNC(=O)c1ccc(C#N)cc1)c1cccc(C)c1
CCN(CCNC(=O)c1ccc(C#N)cc1)c1cccc(C)c1
4-cyano-N-[2-(N-ethyl-3-methylanilino)ethyl]benzamide