Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.121\% 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. COc1ccc(C(=O)N2CCCC(Nc3ccc(C)c(C)c3)C2)cc1
b. COc1cc(/C=C/[N+](=O)[O-])ccc1O
c. CCC(=O)N1CCN(c2ccccc2NC(=O)COc2ccccc2Cl)CC1
d. Cc1ccc2cc(C=C(C#N)C#N)c(Cl)nc2c1
Answer: d. Cc1ccc2cc(C=C(C#N)C#N)c(Cl)nc2c1
{#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#}
Cc1ccc2cc(C=C(C#N)C#N)c(Cl)nc2c1
Cc1ccc2cc(C=C(C#N)C#N)c(Cl)nc2c1
[C][C][=C][C][=C][C][=C][Branch1][=Branch2][C][=C][Branch1][Ring1][C][#N][C][#N][C][Branch1][C][Cl][=N][C][Ring1][=N][=C][Ring1][P]
2-[(2-chloro-7-methylquinolin-3-yl)methylidene]propanedinitrile