Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 4.068\% 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: COc1cc(C)nn1-c1ccc(Cl)cc1
b: COCCn1cnc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1cccc(OC)c1
Answer: a. COc1cc(C)nn1-c1ccc(Cl)cc1
{#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#}
COc1cc(C)nn1-c1ccc(Cl)cc1
COc1cc(C)nn1-c1ccc(Cl)cc1
1-(4-chlorophenyl)-5-methoxy-3-methylpyrazole