Task: Answer the MCQ question.
Question: Which drug exhibits a -2.916\% 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 CCOc1ccc(-c2n[nH]c(C(=O)NN)c2C)cc1
b COC(=O)Cc1c(C)c2ccc(O)c(CNCc3ccc(OC)c(OC)c3)c2oc1=O.Cl
Answer: a. CCOc1ccc(-c2n[nH]c(C(=O)NN)c2C)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#}
CCOc1ccc(-c2n[nH]c(C(=O)NN)c2C)cc1
CCOc1ccc(-c2n[nH]c(C(=O)NN)c2C)cc1
3-(4-ethoxyphenyl)-4-methyl-1H-pyrazole-5-carbohydrazide