Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.937\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)CCCCCBr)CC1
[b] CN(C(=O)c1nc(-c2ccccc2)n(-c2ccccc2)n1)C1CCS(=O)(=O)C1
[c] c1ccc2c(c1)[nH]c1c(N3CCCCC3)ncnc12
[d] NC(=O)c1ccccc1N/C=C/C(=O)c1ccc(Cl)cc1
[e] CCOc1ccc2oc(C(=O)NCC3CCCO3)c(C)c2c1
Answer: c. c1ccc2c(c1)[nH]c1c(N3CCCCC3)ncnc12
{#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#}
c1ccc2c(c1)[nH]c1c(N3CCCCC3)ncnc12
c1ccc2c(c1)[nH]c1c(N3CCCCC3)ncnc12
4-piperidin-1-yl-5H-pyrimido[5,4-b]indole