Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 4.178\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(/C=C/c1ccc([N+](=O)[O-])cc1)NCc1cccnc1
b. O=C(O)CC1(CC(=O)Nc2ccccc2Br)CCCC1
c. Cc1ccc[n+](CC(=O)N2CCCCC2)c1C.[Br-]
d. Nc1c(Cl)cc(-c2cn(CCC(=O)O)c(-c3ccc(Cl)nc3)n2)cc1Cl
Answer: b. O=C(O)CC1(CC(=O)Nc2ccccc2Br)CCCC1
{#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#}
O=C(O)CC1(CC(=O)Nc2ccccc2Br)CCCC1
O=C(O)CC1(CC(=O)Nc2ccccc2Br)CCCC1
2-[1-[2-(2-bromoanilino)-2-oxoethyl]cyclopentyl]acetic acid