Problem statement: Answer the MCQ question.
Query: Which drug has a 18.075\% 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] COCCOC(=O)C1=C(N)Oc2c(c(=O)oc3ccccc23)C1c1ccncc1
[b] CCNc1nc(NCC)nc(Oc2ccc(OCC)nn2)n1
Answer: b. CCNc1nc(NCC)nc(Oc2ccc(OCC)nn2)n1
{#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#}
CCNc1nc(NCC)nc(Oc2ccc(OCC)nn2)n1
CCNc1nc(NCC)nc(Oc2ccc(OCC)nn2)n1
6-(6-ethoxypyridazin-3-yl)oxy-2-N,4-N-diethyl-1,3,5-triazine-2,4-diamine