Task: Answer the MCQ question.
Question: Which drug exhibits a -4.049\% 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 or b without using any other words.
Options:
a: CCCn1c(SCC(=O)Nc2ccccc2C(=O)OC)nc2c1c(=O)n(C)c(=O)n2C
b: Clc1ccc(Cc2noc(CN3CCN(c4ccccc4)CC3)n2)c(Cl)c1
Answer: a. CCCn1c(SCC(=O)Nc2ccccc2C(=O)OC)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#}
CCCn1c(SCC(=O)Nc2ccccc2C(=O)OC)nc2c1c(=O)n(C)c(=O)n2C
CCCn1c(SCC(=O)Nc2ccccc2C(=O)OC)nc2c1c(=O)n(C)c(=O)n2C
methyl 2-[[2-(1,3-dimethyl-2,6-dioxo-7-propylpurin-8-yl)sulfanylacetyl]amino]benzoate