Task: Answer the MCQ question.
Query: Which compound has a 1.861\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(Cc1ccc(Cl)cc1)Nc1nc2ccccc2[nH]1
b CCN(CC)C(=O)c1sc2c(c1C)c(=O)n(-c1ccc(OC)cc1OC)c(=O)n2CC(=O)c1ccccc1
c CCn1c(SCC(=O)Nc2ccccc2N2CCCCC2)nc2c1c(=O)n(C)c(=O)n2C
d CCN(Cc1ccccc1)C(c1cc2cc(C)ccc2[nH]c1=O)c1nnnn1CCOC
Answer: c. CCn1c(SCC(=O)Nc2ccccc2N2CCCCC2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCn1c(SCC(=O)Nc2ccccc2N2CCCCC2)nc2c1c(=O)n(C)c(=O)n2C
CCn1c(SCC(=O)Nc2ccccc2N2CCCCC2)nc2c1c(=O)n(C)c(=O)n2C
2-(7-ethyl-1,3-dimethyl-2,6-dioxopurin-8-yl)sulfanyl-N-(2-piperidin-1-ylphenyl)acetamide