Task: Answer the MCQ question.
Query: Which compound has a 18.683\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(-n2nc(C(=O)NCC(=O)Nc3cc(OC)c(OC)c(OC)c3)c3ccccc3c2=O)cc1
b. COC(=O)CNC(=O)C1Cc2ccccc2CN1S(=O)(=O)c1cccs1
Answer: a. COc1ccc(-n2nc(C(=O)NCC(=O)Nc3cc(OC)c(OC)c(OC)c3)c3ccccc3c2=O)cc1
{#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(-n2nc(C(=O)NCC(=O)Nc3cc(OC)c(OC)c(OC)c3)c3ccccc3c2=O)cc1
COc1ccc(-n2nc(C(=O)NCC(=O)Nc3cc(OC)c(OC)c(OC)c3)c3ccccc3c2=O)cc1
3-(4-methoxyphenyl)-4-oxo-N-[2-oxo-2-(3,4,5-trimethoxyanilino)ethyl]phthalazine-1-carboxamide