Task: Answer the MCQ question.
Query: Which drug has a 4.642\% 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. COc1ccc(C(=O)NCCc2c[nH]c3ccc(OC)cc23)cc1
b. CCOC(=O)c1c(S(=O)(=O)NCC(C)c2ccccc2)c(C)n(C)c1C
c. Cc1nc([N+](=O)[O-])c(Sc2nc3ccccc3n2C)n1Cc1ccccc1
Answer: b. CCOC(=O)c1c(S(=O)(=O)NCC(C)c2ccccc2)c(C)n(C)c1C
{#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)c1c(S(=O)(=O)NCC(C)c2ccccc2)c(C)n(C)c1C
CCOC(=O)c1c(S(=O)(=O)NCC(C)c2ccccc2)c(C)n(C)c1C
ethyl 1,2,5-trimethyl-4-(2-phenylpropylsulfamoyl)pyrrole-3-carboxylate