Task: Answer the multiple choice question.
Question: Which compound has a -16.246\% 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 additional words.
Options:
a O=C(NC12CC3CC(CC(C3)C1)C2)c1cc(F)c(F)c(F)c1F
b COc1cc(CNCCN2CCOCC2)ccc1OCc1ccc(Cl)cc1.Cl
Answer: b. COc1cc(CNCCN2CCOCC2)ccc1OCc1ccc(Cl)cc1.Cl
{#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(CNCCN2CCOCC2)ccc1OCc1ccc(Cl)cc1.Cl
COc1cc(CNCCN2CCOCC2)ccc1OCc1ccc(Cl)cc1.Cl
N-[[4-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]methyl]-2-morpholin-4-ylethanamine;hydrochloride