Task: Answer the multiple choice question.
Query: Which compound exhibits a -26.605\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC1(C(=O)OCc2cc(=O)n3cc(Br)ccc3n2)CC1(Cl)Cl
b. CCCCCCN1C=CC=C/C1=C/C=C(C#N)C#N
c. Cc1cccc(N2CCN(S(=O)(=O)c3ccc4c(c3)CCN4C(=O)CCC(=O)O)CC2C)c1
Answer: b. CCCCCCN1C=CC=C/C1=C/C=C(C#N)C#N
{#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#}
CCCCCCN1C=CC=C/C1=C/C=C(C#N)C#N
CCCCCCN1C=CC=C/C1=C/C=C(C#N)C#N
[C][C][C][C][C][C][N][C][=C][C][=C][/C][Ring1][=Branch1][=C][/C][=C][Branch1][Ring1][C][#N][C][#N]
2-[(2Z)-2-(1-hexylpyridin-2-ylidene)ethylidene]propanedinitrile