Task: Answer the MCQ question.
Question: Which drug exhibits a 9.661\% human ether-à-go-go related gene (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] Cc1ccc(S(=O)(=O)CCC(=O)NCCOc2ccc(Cl)cc2)cc1
[b] CCOc1ccccc1CNS(=O)(=O)c1ccc2c(c1)oc(=O)n2C
[c] CCC(CC)NC(=O)c1cccc(Oc2ccccc2)c1
Answer: b. CCOc1ccccc1CNS(=O)(=O)c1ccc2c(c1)oc(=O)n2C
{#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#}
CCOc1ccccc1CNS(=O)(=O)c1ccc2c(c1)oc(=O)n2C
CCOc1ccccc1CNS(=O)(=O)c1ccc2c(c1)oc(=O)n2C
N-[(2-ethoxyphenyl)methyl]-3-methyl-2-oxo-1,3-benzoxazole-6-sulfonamide