Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -7.387\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C(O)CCNC(=O)CCCn1nnc2ccccc2c1=O
b) CC1(C(=O)O)COC(c2ccc(Cl)cc2)OC1
Answer: b. CC1(C(=O)O)COC(c2ccc(Cl)cc2)OC1
{#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#}
CC1(C(=O)O)COC(c2ccc(Cl)cc2)OC1
CC1(C(=O)O)COC(c2ccc(Cl)cc2)OC1
2-(4-chlorophenyl)-5-methyl-1,3-dioxane-5-carboxylic acid