Task: Answer the MCQ question.
Query: Which compound has a 4.041\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=S(=O)(c1ccc(NCC2CCCCC2)nc1)N1CCOCC1
(b) CCOC(=O)c1c(C)nc2sc(C(=O)Nc3ccc(C(C)=O)cc3)c(N)c2c1-c1ccc(OC)cc1
(c) CCN(CC)C(=O)CSc1nc2ccccc2c(=O)n1OC
Answer: a. O=S(=O)(c1ccc(NCC2CCCCC2)nc1)N1CCOCC1
{#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=S(=O)(c1ccc(NCC2CCCCC2)nc1)N1CCOCC1
O=S(=O)(c1ccc(NCC2CCCCC2)nc1)N1CCOCC1
N-(cyclohexylmethyl)-5-morpholin-4-ylsulfonylpyridin-2-amine