Task: Answer the MCQ question.
Question: Which compound exhibits a 9.768\% 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.) COc1cc2[nH]c(=O)n(CCCC(=O)N3CC=C(c4ccccc4)CC3)c(=O)c2cc1OC
b.) O=C1OC(=O)C2C3CCC(O3)C12
c.) O=C(CSc1cccc[n+]1[O-])Nc1cc2c(cc1Cl)C(=O)c1ccccc1C2=O
d.) CC(=O)c1ccccc1NS(=O)(=O)c1c(C)nn(-c2ccccc2)c1C
Answer: b. O=C1OC(=O)C2C3CCC(O3)C12
{#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=C1OC(=O)C2C3CCC(O3)C12
O=C1OC(=O)C2C3CCC(O3)C12
4,10-dioxatricyclo[5.2.1.02,6]decane-3,5-dione