Task: Answer the multiple-choice question.
Question: Which drug has a 5.508\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a c1ccc2nc3[nH]cnc3nc2c1
b CCN1CCN(Cc2c(O)ccc3c(=O)c(-c4ccc(OC)c(OC)c4)c(C)oc23)CC1
c Cc1ccc(-c2cc(-c3ccccc3)c(C#N)c(N)n2)o1
Answer: b. CCN1CCN(Cc2c(O)ccc3c(=O)c(-c4ccc(OC)c(OC)c4)c(C)oc23)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#}
CCN1CCN(Cc2c(O)ccc3c(=O)c(-c4ccc(OC)c(OC)c4)c(C)oc23)CC1
CCN1CCN(Cc2c(O)ccc3c(=O)c(-c4ccc(OC)c(OC)c4)c(C)oc23)CC1
3-(3,4-dimethoxyphenyl)-8-[(4-ethylpiperazin-1-yl)methyl]-7-hydroxy-2-methylchromen-4-one