Task: Answer the MCQ question.
Query: Which drug exhibits a -14.037\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCOCCN1CCN(c2c(CC)c(C)nc3cc(-c4cc(OC)cc(OC)c4)nn23)CC1
b: O=C(Cn1c(=O)n(Cc2ccccc2)c(=O)c2ccccc21)NCc1ccco1
Answer: a. CCOCCN1CCN(c2c(CC)c(C)nc3cc(-c4cc(OC)cc(OC)c4)nn23)CC1
{#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#}
CCOCCN1CCN(c2c(CC)c(C)nc3cc(-c4cc(OC)cc(OC)c4)nn23)CC1
CCOCCN1CCN(c2c(CC)c(C)nc3cc(-c4cc(OC)cc(OC)c4)nn23)CC1
2-(3,5-dimethoxyphenyl)-7-[4-(2-ethoxyethyl)piperazin-1-yl]-6-ethyl-5-methylpyrazolo[1,5-a]pyrimidine