Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.135\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] N#Cc1cc(-c2ccccc2)nn1-c1ccccc1
[b] COc1cc(-c2c(C#N)c(N)nc3c2CCCC3)cc(OC)c1OC
[c] Cc1nc2ccccc2n1S(=O)(=O)c1ccc(F)cc1
[d] O=C(Nc1nccs1)c1cccc(NC(=O)c2ccco2)c1
[e] COCC(=O)N(C)C1(c2nnnn2CCOC(=O)Nc2cccc3ccccc23)CCCC1
Answer: b. COc1cc(-c2c(C#N)c(N)nc3c2CCCC3)cc(OC)c1OC
{#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#}
COc1cc(-c2c(C#N)c(N)nc3c2CCCC3)cc(OC)c1OC
COc1cc(-c2c(C#N)c(N)nc3c2CCCC3)cc(OC)c1OC
2-amino-4-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydroquinoline-3-carbonitrile