Problem statement: Answer the multiple-choice question.
Question: Which drug has a 2.680\% 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: CCOC(=O)N1CCN(CC(=O)c2c(C)[nH]c3ccccc23)CC1
b: O=C(CSc1nnc(C2CC2)n1-c1ccccc1)NCc1ccco1
c: Cc1ccc(S(=O)(=O)/N=S(\C)CC2CC2(Cl)Cl)cc1
d: Cc1ccsc1C(=O)N1CCC(N2CCC(C(=O)NCC3CCCO3)CC2)CC1
e: O=C(COc1ccc(Br)cc1)NCCNC(=O)c1ccncc1
Answer: a. CCOC(=O)N1CCN(CC(=O)c2c(C)[nH]c3ccccc23)CC1
{#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#}
CCOC(=O)N1CCN(CC(=O)c2c(C)[nH]c3ccccc23)CC1
CCOC(=O)N1CCN(CC(=O)c2c(C)[nH]c3ccccc23)CC1
ethyl 4-[2-(2-methyl-1H-indol-3-yl)-2-oxoethyl]piperazine-1-carboxylate