Task: Answer the MCQ question.
Question: Which drug has a -3.924\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(Nc1nnc(Cc2ccc(Cl)cc2)s1)c1ccco1
(b) O=[N+]([O-])c1nn(-c2ccc(Cl)cc2)n(O)c1=NCc1cccnc1
(c) CCOc1cc(C(=O)OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)cc(OCC)c1OCC
Answer: c. CCOc1cc(C(=O)OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)cc(OCC)c1OCC
{#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#}
CCOc1cc(C(=O)OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)cc(OCC)c1OCC
CCOc1cc(C(=O)OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)cc(OCC)c1OCC
[2-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)-2-oxoethyl] 3,4,5-triethoxybenzoate