Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.499\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) COc1ccc(N=Cc2c(O)cc(C)oc2=O)cc1
b.) O=C(C1CCCCN1S(=O)(=O)c1ccccc1[N+](=O)[O-])N1CCCCC1
c.) O/N=C/c1c(OCc2ccc(Cl)cc2)ccc2ccccc12
d.) BrCC(Br)C1CCC(Br)C(Br)C1
e.) NC(=O)CC(NC(=O)c1cccc(Br)c1)c1ccc(N2CCC(N3CCCCC3)CC2)c([N+](=O)[O-])c1
Answer: a. COc1ccc(N=Cc2c(O)cc(C)oc2=O)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#}
COc1ccc(N=Cc2c(O)cc(C)oc2=O)cc1
COc1ccc(N=Cc2c(O)cc(C)oc2=O)cc1
4-hydroxy-3-[(4-methoxyphenyl)iminomethyl]-6-methylpyran-2-one