Task: Answer the MCQ question.
Question: Which drug exhibits a 9.890\% human ether-à-go-go related gene (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 COc1ccc(NC(=O)C2=C(C)NC(=S)NC2c2ccc(O)c(OC)c2)cc1
b Cc1cc(=O)oc2c1c(C)nn2-c1ccc(Br)cc1
c COc1ccc(C2C(C#N)=C(N)N(c3sc4c(c3C#N)CCCC4)C3=C2C(=O)CC(C)(C)C3)cc1OC
Answer: b. Cc1cc(=O)oc2c1c(C)nn2-c1ccc(Br)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#}
Cc1cc(=O)oc2c1c(C)nn2-c1ccc(Br)cc1
Cc1cc(=O)oc2c1c(C)nn2-c1ccc(Br)cc1
1-(4-bromophenyl)-3,4-dimethylpyrano[2,3-c]pyrazol-6-one