Task: Answer the MCQ question.
Question: Which drug exhibits a 6.653\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
b CCc1nnc(NC(=O)C2CCCN(C(=O)c3ccc(Cl)cc3)C2)s1
c S=C1NCN(Cc2ccccc2)CN1C1CCCCC1
d COc1ccc(C(C(=O)NC(C)(C)C)N(CCc2ccccc2)C(=O)CCC(=O)Nc2cc(C)on2)cc1
Answer: a. COc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
{#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#}
COc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
COc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
5-chloro-4-methoxy-2-(4-methylphenyl)pyridazin-3-one