Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.490\% 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 other words.
Options:
(a) O=C(/C=C/c1ccccc1)NC(N1CCOCC1)C(Cl)(Cl)Cl
(b) CN(c1ccccc1)S(=O)(=O)c1ccc(C(=O)NCCc2ccccc2)cc1
(c) Cc1sc2ccccc2[n+]1CC(=O)O.[Br-]
(d) CCCc1cc(C(=O)N2CCC(n3nccc3NC(=O)c3ccc(OC)cc3)CC2)no1
Answer: a. O=C(/C=C/c1ccccc1)NC(N1CCOCC1)C(Cl)(Cl)Cl
{#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(/C=C/c1ccccc1)NC(N1CCOCC1)C(Cl)(Cl)Cl
O=C(/C=C/c1ccccc1)NC(N1CCOCC1)C(Cl)(Cl)Cl
(E)-3-phenyl-N-(2,2,2-trichloro-1-morpholin-4-ylethyl)prop-2-enamide