Task: Answer the multiple choice question.
Query: Which compound exhibits a 15.481\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCOC(=O)CC1C(=O)NCCN1Cc1cccc(OC)c1
(b) Cc1ccccc1CSc1ncnc2ccccc12
(c) COc1ccc(CCNc2cc(C)nc3c(-c4ccccc4)c(C)nn23)cc1OC
(d) COc1ccccc1NC(=O)Cc1noc(CSc2nnc(C)s2)n1
Answer: a. CCOC(=O)CC1C(=O)NCCN1Cc1cccc(OC)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#}
CCOC(=O)CC1C(=O)NCCN1Cc1cccc(OC)c1
CCOC(=O)CC1C(=O)NCCN1Cc1cccc(OC)c1
[C][C][O][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][N][C][C][N][Ring1][#Branch1][C][C][=C][C][=C][C][Branch1][Ring1][O][C][=C][Ring1][Branch2]
ethyl2-[1-[(5-methoxyphenyl)methyl]-3-oxopiperazin-2-yl]acetate