Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 3.539\% human ether-à-go-go related gene (hERG) inhibition at 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)Nc2cccc(C(=O)N3CCOCC3)c2)cc1OC
b Cc1ccc(Cc2cnc(NC(=O)/C(C#N)=C/c3ccc(-c4ccc([N+](=O)[O-])cc4)o3)s2)cc1
c Cc1ccc2nc(N3CCN(S(=O)(=O)c4ccc5c(c4)OCCO5)CC3)c(C#N)cc2c1
Answer: a. COc1ccc(NC(=O)Nc2cccc(C(=O)N3CCOCC3)c2)cc1OC
{#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#}
1-(3,4-dimethoxyphenyl)-3-[3-(morpholine-4-carbonyl)phenyl]urea