Task: Answer the MCQ question.
Query: Which drug exhibits a 3.487\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1ccccc1N1CCN(C(=O)c2cc(C)oc2C)CC1
(b) Cn1c(=O)cc(OCCCC(=O)Nc2ccccn2)c2ccccc21
(c) CC(Sc1nnc(-c2ccco2)n1-c1ccccc1)C(=O)NCC1CCCO1
(d) O=C(C[N+]12CCC(CC1)C(CO)C2)c1ccc(Br)cc1.[Br-]
(e) COc1ccc2[nH]c(=O)c(CN(c3ccccc3)S(=O)(=O)c3ccccc3)cc2c1
Answer: b. Cn1c(=O)cc(OCCCC(=O)Nc2ccccn2)c2ccccc21
{#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#}
Cn1c(=O)cc(OCCCC(=O)Nc2ccccn2)c2ccccc21
Cn1c(=O)cc(OCCCC(=O)Nc2ccccn2)c2ccccc21
4-(1-methyl-2-oxoquinolin-4-yl)oxy-N-pyridin-2-ylbutanamide