Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.703\% 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 other words.
Options:
a: O=C(CN1CCN(c2ccccc2O)CC1)NNC(=O)c1ccc(Cl)cc1
b: COc1ccc2nc(NC(=O)c3cnccn3)sc2c1
c: O=C(CCn1cnc2ccccc21)N=Nc1c(O)[nH]c2ccccc12
d: Cl.Nc1ccc(O)c2ccccc12
e: C=C(C)CSc1[nH]c(=O)cc(C)c1C#N
Answer: d. Cl.Nc1ccc(O)c2ccccc12
{#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#}
Cl.Nc1ccc(O)c2ccccc12
Cl.Nc1ccc(O)c2ccccc12
4-aminonaphthalen-1-ol;hydrochloride