Task: Answer the MCQ question.
Question: Which compound exhibits a 5.444\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CN1/C(=C/C2CC(=O)NC2=O)C(C)(C)c2ccccc21
(b) O=C(NCC1CCCO1)c1ccc2c(=O)n(CC3CCCO3)c(SCC(=O)N3CCCC3)nc2c1
Answer: b. O=C(NCC1CCCO1)c1ccc2c(=O)n(CC3CCCO3)c(SCC(=O)N3CCCC3)nc2c1
{#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(NCC1CCCO1)c1ccc2c(=O)n(CC3CCCO3)c(SCC(=O)N3CCCC3)nc2c1
O=C(NCC1CCCO1)c1ccc2c(=O)n(CC3CCCO3)c(SCC(=O)N3CCCC3)nc2c1
4-oxo-N,3-bis(oxolan-2-ylmethyl)-2-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanylquinazoline-7-carboxamide