Task: Answer the MCQ question.
Query: Which drug exhibits a 8.857\% 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 additional words.
Options:
a C/C=C(/C)C(=O)O[C@H]1[C@@H](O)c2c(ccc3ccc(=O)oc23)OC1(C)C
b CSc1nc2cc(C)nn2c(-c2ccccc2Cl)c1C#N
Answer: b. CSc1nc2cc(C)nn2c(-c2ccccc2Cl)c1C#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#}
CSc1nc2cc(C)nn2c(-c2ccccc2Cl)c1C#N
CSc1nc2cc(C)nn2c(-c2ccccc2Cl)c1C#N
7-(2-chlorophenyl)-2-methyl-5-methylsulfanylpyrazolo[1,5-a]pyrimidine-6-carbonitrile