Task: Answer the MCQ question.
Question: Which drug exhibits a 2.403\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1cc2c3c(c1OC)C1(C=CC(=O)C=C1)CC3N(C(C)=O)CC2
b: COc1ccc(NC(=O)c2cc(SC)ccc2Cl)cc1
Answer: a. COc1cc2c3c(c1OC)C1(C=CC(=O)C=C1)CC3N(C(C)=O)CC2
{#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#}
COc1cc2c3c(c1OC)C1(C=CC(=O)C=C1)CC3N(C(C)=O)CC2
COc1cc2c3c(c1OC)C1(C=CC(=O)C=C1)CC3N(C(C)=O)CC2
5-acetyl-10,11-dimethoxyspiro[5-azatricyclo[6.3.1.04,12]dodeca-1(12),8,10-triene-2,4'-cyclohexa-2,5-diene]-1'-one