Task: Answer the MCQ question.
Question: Which compound exhibits a -4.450\% 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: CC(=O)c1cccc(NC(=O)CN(c2cccc(F)c2)S(C)(=O)=O)c1
b: Cn1cnnc1Sc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
c: O=C(Cn1cccc1C(=O)c1ccccc1)NCc1ccc(Cl)cc1
Answer: b. Cn1cnnc1Sc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
{#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#}
Cn1cnnc1Sc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
Cn1cnnc1Sc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
7-[(2-chlorophenyl)methyl]-1,3-dimethyl-8-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]purine-2,6-dione