Task: Answer the MCQ question.
Query: Which compound exhibits a 6.779\% 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: CC(=O)OC1=Cc2c(ccc3ccc(=O)oc23)OC1(C)C
b: Cc1ccc(C)c(S(=O)(=O)N2CC(=O)N(CCc3ccccc3)C(=O)C2)c1
c: O=C(NCc1cccs1)c1ccc2c(c1)ncn2C1CCCC1
d: O=C(Nc1ccc(F)cc1)NC1(C(=O)NCc2cccs2)CCCCC1
Answer: a. CC(=O)OC1=Cc2c(ccc3ccc(=O)oc23)OC1(C)C
{#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#}
CC(=O)OC1=Cc2c(ccc3ccc(=O)oc23)OC1(C)C
CC(=O)OC1=Cc2c(ccc3ccc(=O)oc23)OC1(C)C
(8,8-dimethyl-2-oxopyrano[2,3-f]chromen-9-yl) acetate