Task: Answer the multiple choice question.
Query: Which compound exhibits a 17.750\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1[nH]c2ccccc2c1SCC(=O)N1CCCCC1
b CCC(=O)N1CCCc2cc(S(=O)(=O)N3CCN(c4ccccn4)CC3)ccc21
c Cn1c(=O)c2c(ncn2Cc2ccc(Cl)c(Cl)c2)n(C)c1=O
d O=S(=O)(c1ccc(Cl)cc1)n1cnc2ccccc21
Answer: a. Cc1[nH]c2ccccc2c1SCC(=O)N1CCCCC1
{#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#}
Cc1[nH]c2ccccc2c1SCC(=O)N1CCCCC1
Cc1[nH]c2ccccc2c1SCC(=O)N1CCCCC1
[C][C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Ring1][=Branch2][S][C][C][=Branch1][C][=O][N][C][C][C][C][C][Ring1][=Branch1]
2-[(2-methyl-1H-indol-3-yl)sulfanyl]-1-piperidin-1-ylethanone