Task: Answer the multiple-choice question.
Question: Which compound has a 3.728\% 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 other words.
Options:
a. Cn1c(=O)cc(OCC(=O)NCCCN2CCN(Cc3ccccc3)CC2)c2ccccc21
b. Cc1ccc(NC(=O)CSc2ccccc2NC(=O)c2ccccc2Cl)cc1Cl
c. CCN1CCc2[nH]c3ccccc3c2C1
d. COc1ccc(NC(=O)c2cccc3c2C(=O)c2ccc(-c4cnc(OC)nc4)cc2S3(=O)=O)cc1
Answer: c. CCN1CCc2[nH]c3ccccc3c2C1
{#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#}
CCN1CCc2[nH]c3ccccc3c2C1
CCN1CCc2[nH]c3ccccc3c2C1
2-ethyl-1,3,4,5-tetrahydropyrido[4,3-b]indole