Task: Answer the multiple choice question.
Question: Which compound has a 22.259\% 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(CCC(=O)c1ccc(Br)cc1)Nc1cccnc1
(b) CNC(=S)N/N=C/c1ccc(N2CCOCC2)s1
Answer: b. CNC(=S)N/N=C/c1ccc(N2CCOCC2)s1
{#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#}
CNC(=S)N/N=C/c1ccc(N2CCOCC2)s1
CNC(=S)N/N=C/c1ccc(N2CCOCC2)s1
1-methyl-3-[(E)-(5-morpholin-4-ylthiophen-2-yl)methylideneamino]thiourea