Problem statement: Answer the multiple choice question.
Question: Which drug has a 25.270% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Oc1ccc(Br)cc1CN1CCN(c2ccccc2)CC1
b: CCNC(=S)NN=C1c2ccccc2-c2ccccc21
c: CCOc1cc(S(=O)(=O)NC2CC(C)(C)NC(C)(C)C2)ccc1F
d: Cn1c(C(=O)N2CCC(C(=O)N3CCN(Cc4ccc5c(c4)OCO5)CC3)CC2)cc2sccc21
Answer: a. Oc1ccc(Br)cc1CN1CCN(c2ccccc2)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#}
Oc1ccc(Br)cc1CN1CCN(c2ccccc2)CC1
Oc1ccc(Br)cc1CN1CCN(c2ccccc2)CC1
4-bromo-2-[(4-phenylpiperazin-1-yl)methyl]phenol