Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.902\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(O)CC/C(=N\NC(=O)CNC(=O)c1cccc(Cl)c1)c1ccccc1
[b] COc1ccc(Nc2oc(COc3ccc(OC)cc3)nc2C#N)cc1
[c] COc1cc(OC)cc(C(=O)N2CCN(C(=O)COc3ccc4ccccc4c3)CC2)c1
[d] Cn1c(CNc2ccc(O)cc2)nc2ccccc21
Answer: b. COc1ccc(Nc2oc(COc3ccc(OC)cc3)nc2C#N)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#}
5-(4-methoxyanilino)-2-[(4-methoxyphenoxy)methyl]-1,3-oxazole-4-carbonitrile