Task: Answer the multiple-choice question.
Query: Which drug exhibits a -33.591% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CNc1cc(N2CCNCC2)ccc1[N+](=O)[O-]
b. COC(=O)c1ccccc1NC(=O)c1c(O)c2c([nH]c1=O)CCCC2
c. CCCC(=O)NC(c1ccccc1Cl)c1c(O)ccc2ccccc12
d. CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
Answer: d. CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
1-methyl-2-[(4-methylpiperazin-1-yl)methyl]indole-3-carbonitrile