Problem statement: Answer the multiple choice question.
Query: Which compound has a 15.950\% 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) Cn1c(=O)oc2cc(S(=O)(=O)NCCC(=O)N3CCN(c4ccccc4)CC3)ccc21
b) CCOc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1OCC
Answer: b. CCOc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1OCC
{#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#}
CCOc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1OCC
CCOc1ccc(C(=O)N2CCN(c3ccccn3)CC2)cc1OCC
(4,5-diethoxyphenyl)-(4-pyridin-2-ylpiperazin-1-yl)methanone