Task: Answer the MCQ question.
Query: Which drug exhibits a -1.127\% 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. CCOC(=O)C(C(=O)OCC)N(C#N)c1nc(SC)nc(N(C)C)n1
b. Cn1c(SCCCC(=O)c2ccc(Br)cc2)nnc1-c1ccncc1
c. O=S(=O)(Nc1ccc2c(c1)nc1n2CCOC1)c1ccc(Cl)cc1
Answer: a. CCOC(=O)C(C(=O)OCC)N(C#N)c1nc(SC)nc(N(C)C)n1
{#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#}
CCOC(=O)C(C(=O)OCC)N(C#N)c1nc(SC)nc(N(C)C)n1
CCOC(=O)C(C(=O)OCC)N(C#N)c1nc(SC)nc(N(C)C)n1
diethyl 2-[cyano-[4-(dimethylamino)-6-methylsulfanyl-1,3,5-triazin-2-yl]amino]propanedioate