Problem statement: Answer the multiple choice question.
Query: Which compound has a 1.560\% 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] Cl.NCCCCCc1nnc(SCc2ccc(Cl)cc2Cl)o1
[b] O=C(Cn1ncc2c(=O)oc3ccccc3c21)NCCC1=CCCCC1
Answer: a. Cl.NCCCCCc1nnc(SCc2ccc(Cl)cc2Cl)o1
{#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#}
5-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-oxadiazol-2-yl]pentan-1-amine;hydrochloride