Task: Answer the MCQ question.
Question: Which drug has a 3.474\% 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 additional words.
Options:
a.) Nc1c(S(=O)(=O)[O-])cc(NC(=O)c2ccccc2)c2c1C(=O)c1ccccc1C2=O.[Na+]
b.) CCOC(=O)C(Cc1ccc(Cl)cc1Cl)c1ccno1
c.) O=C1/C(=C/c2cccnc2)Cc2ccc(Cl)cc21
d.) O=C(COC(=O)COc1ccc(Cl)cc1Br)NC1CCCCCC1
e.) CCC(=O)Nc1nc(OC)cc(OC)n1
Answer: c. O=C1/C(=C/c2cccnc2)Cc2ccc(Cl)cc21
{#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#}
O=C1/C(=C/c2cccnc2)Cc2ccc(Cl)cc21
O=C1/C(=C/c2cccnc2)Cc2ccc(Cl)cc21
(2E)-6-chloro-2-(pyridin-3-ylmethylidene)-3H-inden-1-one