Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.696\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccc(CCNC(=O)c2ccc3nc4cc(Cl)ccc4c(=O)n3c2)cc1OC
[b] Cc1ccc(Cc2c(C)nc3nc(SCC(=O)NCc4ccco4)nn3c2C)cc1
Answer: a. COc1ccc(CCNC(=O)c2ccc3nc4cc(Cl)ccc4c(=O)n3c2)cc1OC
{#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#}
COc1ccc(CCNC(=O)c2ccc3nc4cc(Cl)ccc4c(=O)n3c2)cc1OC
COc1ccc(CCNC(=O)c2ccc3nc4cc(Cl)ccc4c(=O)n3c2)cc1OC
3-chloro-11-oxo-N-[2-(4,5-dimethoxyphenyl)ethyl]pyrido[2,1-b]quinazoline-8-carboxamide