Task: Answer the MCQ question.
Query: Which drug has a 18.935\% 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. CN(C)CCNS(=O)(=O)c1ccc(Cl)cc1
b. CCOC(=O)NC(NCCc1ccccc1)(C(F)(F)F)C(F)(F)F
c. FC(F)(F)c1nnc2ccc(N3CCN(c4ccccc4)CC3)nn12
Answer: b. CCOC(=O)NC(NCCc1ccccc1)(C(F)(F)F)C(F)(F)F
{#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#}
ethylN-[1,1,1,3,3,3-hexafluoro-2-(2-phenylethylamino)propan-2-yl]carbamate