Task: Answer the multiple choice question.
Query: Which compound has a 4.668\% 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 Cc1ccc(C(=O)c2ccccc2C(=O)O)c(O)c1
b CCSc1nc2ccc(C)cc2cc1C#N
c CCOC(=O)CC(=O)CSc1nc2c(c(-c3cccs3)c1C#N)CCC2
d Cc1nc2ccccc2n1CC(=O)c1ccc(O)c(O)c1.Cl
Answer: b. CCSc1nc2ccc(C)cc2cc1C#N
{#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#}
2-ethylsulfanyl-6-methylquinoline-3-carbonitrile