Problem statement: Answer the MCQ question.
Query: Which drug has a -13.731\% 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] CCNc1nc(NCC)nc(N(C#N)CCOc2ccccc2)n1
[b] CCOc1ccc(CCNC(=O)Cn2nc(C)c3c(C)n(-c4ccccc4)nc3c2=O)cc1OCC
Answer: a. CCNc1nc(NCC)nc(N(C#N)CCOc2ccccc2)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(N(C#N)CCOc2ccccc2)n1
CCNc1nc(NCC)nc(N(C#N)CCOc2ccccc2)n1
[4,6-bis(ethylamino)-1,3,5-triazin-2-yl]-(2-phenoxyethyl)cyanamide