Task: Answer the MCQ question.
Question: Which compound exhibits a 12.722\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) CCOC(=O)c1ccc(NC(=O)NC2CC3CCC(C2)N3Cc2nnnn2Cc2ccco2)cc1
(b) CC(=O)Oc1cc2oc(=O)cc(C)c2cc1Cl
(c) CCN(CC)c1nc(NN)nc(Nc2ccc(C)c(Cl)c2)n1
(d) CCN(Cc1ccccc1)C(=O)CCS(=O)(=O)c1cc2c(cc1Cl)NC(=O)CO2
(e) COC(=O)c1c(N)sc(Cc2ccccc2)c1C
Answer: b. CC(=O)Oc1cc2oc(=O)cc(C)c2cc1Cl
{#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)Oc1cc2oc(=O)cc(C)c2cc1Cl
CC(=O)Oc1cc2oc(=O)cc(C)c2cc1Cl
(6-chloro-4-methyl-2-oxochromen-7-yl) acetate