Task: Answer the MCQ question.
Query: Which drug exhibits a 21.256\% 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 additional words.
Options:
a. CCCNC(=O)CCc1c(C)nc2c(c(C)nn2-c2ccccc2)c1C
b. O=C(COC(=O)C1CCN(c2ccc(C(F)(F)F)cn2)CC1)c1cccc(Br)c1
c. COC(=O)C(=O)C/C(=N/Nc1ncnc2ccccc12)c1ccc(Cl)cc1
d. O=C(NCCCCc1ccccc1)C1CCCC1
e. CC1CN/C(=C\C(=O)c2ccccc2)C(=O)N1
Answer: b. O=C(COC(=O)C1CCN(c2ccc(C(F)(F)F)cn2)CC1)c1cccc(Br)c1
{#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(COC(=O)C1CCN(c2ccc(C(F)(F)F)cn2)CC1)c1cccc(Br)c1
O=C(COC(=O)C1CCN(c2ccc(C(F)(F)F)cn2)CC1)c1cccc(Br)c1
[2-(3-bromophenyl)-2-oxoethyl] 1-[5-(trifluoromethyl)pyridin-2-yl]piperidine-4-carboxylate