Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -19.552\% 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 other words.
Options:
[a] CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
[b] O=C(COCc1cc(-c2ccc3c(c2)OCO3)on1)N1CCCCC1
[c] O=C(CCNC(=O)c1ccccc1Cl)NCCc1ccc(Cl)cc1
Answer: a. 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_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#}
CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
CN1CCN(Cc2c(C#N)c3ccccc3n2C)CC1
1-methyl-2-[(4-methylpiperazin-1-yl)methyl]indole-3-carbonitrile