Task: Answer the multiple-choice question.
Query: Which drug exhibits a 12.563\% 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 other words.
Options:
a) O=C(CNc1ccccc1Cl)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1Cl
b) CCCc1nc(SCc2ccc(OCC)cc2)n[nH]1
Answer: b. CCCc1nc(SCc2ccc(OCC)cc2)n[nH]1
{#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#}
CCCc1nc(SCc2ccc(OCC)cc2)n[nH]1
CCCc1nc(SCc2ccc(OCC)cc2)n[nH]1
3-[(4-ethoxyphenyl)methylsulfanyl]-5-propyl-1H-1,2,4-triazole