Task: Answer the MCQ question.
Question: Which compound exhibits a -7.182\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COC(=O)c1c(NC(=O)CN2CCC3(O)CCCCC3C2c2cc(OC)ccc2OC)sc(C)c1C
b CN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)cc1
c Cc1c(C)c2c(C)[nH]nc2oc1=O
d COc1ccc(CC(=O)OCC(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1
Answer: b. CN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)cc1
{#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#}
4-chloro-N-methyl-N-(2-oxo-2-pyrrolidin-1-ylethyl)benzenesulfonamide