Task: Answer the MCQ question.
Question: Which compound exhibits a 18.281\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)C1=C(N)OC2=C(C(=O)CCC2)[C@]12C(=O)N(CC(N)=O)c1ccccc12
[b] Cc1ccnc(NS(=O)(=O)c2ccc(NC(=O)CN3C(=O)c4ccccc4S3(=O)=O)cc2)n1
Answer: a. CCOC(=O)C1=C(N)OC2=C(C(=O)CCC2)[C@]12C(=O)N(CC(N)=O)c1ccccc12
{#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#}
CCOC(=O)C1=C(N)OC2=C(C(=O)CCC2)[C@]12C(=O)N(CC(N)=O)c1ccccc12
CCOC(=O)C1=C(N)OC2=C(C(=O)CCC2)[C@]12C(=O)N(CC(N)=O)c1ccccc12
ethyl (4S)-2-amino-1'-(2-amino-2-oxoethyl)-2',5-dioxospiro[7,8-dihydro-6H-chromene-4,3'-indole]-3-carboxylate