Task: Answer the MCQ question.
Question: Which compound exhibits a 18.411\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccc(O)c(-c2[nH]ncc2C(=O)c2ccccc2)c1
b: CCN(CC(=O)N1CCOCC1)S(=O)(=O)c1ccc2ccccc2c1
c: Cc1ccc(N=C(NOCc2ccc(Cl)cc2Cl)c2nonc2N)c(C)c1
d: COCCNCCCOc1ccc(C)cc1Br
e: COc1cc(C(=O)NNC(=O)c2ccc(NC(=O)C(C)(C)C)cc2)cc(OC)c1OC
Answer: b. CCN(CC(=O)N1CCOCC1)S(=O)(=O)c1ccc2ccccc2c1
{#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#}
CCN(CC(=O)N1CCOCC1)S(=O)(=O)c1ccc2ccccc2c1
CCN(CC(=O)N1CCOCC1)S(=O)(=O)c1ccc2ccccc2c1
N-ethyl-N-(2-morpholin-4-yl-2-oxoethyl)naphthalene-2-sulfonamide