Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -4.863\% 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, c, d, or e without using any additional words.
Options:
a Cc1ccccc1Oc1ccccc1N
b Nc1nn2cc(-c3ccccc3)nc2c2ccccc12
c Cc1ccc(O)c(NC(=O)/C=C/C(=O)O)c1
d CC1C(=O)C(C)C(c2ccco2)NC1c1ccco1.Cl
e O=C(CN1CCCCCC1)Nc1c(Cl)cc(Cl)cc1Cl
Answer: b. Nc1nn2cc(-c3ccccc3)nc2c2ccccc12
{#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#}
Nc1nn2cc(-c3ccccc3)nc2c2ccccc12
Nc1nn2cc(-c3ccccc3)nc2c2ccccc12
2-phenylimidazo[2,1-a]phthalazin-6-amine