Task: Answer the multiple choice question.
Query: Which compound exhibits a -47.742% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: OCCN1CCN(c2nc(-c3ccccc3)c3cc(Br)ccc3n2)CC1
b: COc1ccc(C(=O)CSc2nnc(NC(=O)C3CC(=O)N(c4cccc(OC)c4)C3)s2)cc1
c: CN(C)Cc1cccc(Sc2ccc(Cl)cc2)c1.Cl
d: Cl.O=C(Cn1c(NCCCO)nc2ccccc21)c1ccc(Cl)cc1Cl
e: O=C(O)c1nn2c(c1Br)NC(c1ccccc1)CC2C(F)(F)F
Answer: a. OCCN1CCN(c2nc(-c3ccccc3)c3cc(Br)ccc3n2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OCCN1CCN(c2nc(-c3ccccc3)c3cc(Br)ccc3n2)CC1
OCCN1CCN(c2nc(-c3ccccc3)c3cc(Br)ccc3n2)CC1
2-[4-(6-bromo-4-phenylquinazolin-2-yl)piperazin-1-yl]ethanol