Task: Answer the MCQ question.
Question: Which compound exhibits a 0.624\% 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(C)(C)CC(=O)Nc1ccc(Nc2ccccc2)cc1
[b] Cc1cc2oc(=O)cc(CN3CCOCC3)c2c(C)c1Cl
[c] COc1ccc(NC(=O)/C(=C\c2ccc(OC)c(OC)c2)NC(=O)c2ccco2)cc1
[d] C/C(Cc1ccccc1)=N\NC(=O)CNC(=O)c1ccc(Br)cc1
Answer: b. Cc1cc2oc(=O)cc(CN3CCOCC3)c2c(C)c1Cl
{#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#}
Cc1cc2oc(=O)cc(CN3CCOCC3)c2c(C)c1Cl
Cc1cc2oc(=O)cc(CN3CCOCC3)c2c(C)c1Cl
6-chloro-5,7-dimethyl-4-(morpholin-4-ylmethyl)chromen-2-one