Task: Answer the MCQ question.
Question: Which drug has a 0.253\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) CCCn1nc(Oc2nc(SC)nc(N(C)C)n2)ccc1=O
b.) O=C(Cn1nc(-c2ccccc2)c2ccccc2c1=O)Nc1ccc(O)cc1
c.) CCC(C)NC(=O)c1cn(CC)c2ccc(S(=O)(=O)N(C)C)cc2c1=O
d.) COc1ccc(C(=O)Nc2cc3c(cc2OC)CCCC3)cc1Br
e.) Cc1ccc(NC(=O)c2ccc(Br)o2)cc1S(=O)(=O)N(C)C
Answer: b. O=C(Cn1nc(-c2ccccc2)c2ccccc2c1=O)Nc1ccc(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#}
O=C(Cn1nc(-c2ccccc2)c2ccccc2c1=O)Nc1ccc(O)cc1
O=C(Cn1nc(-c2ccccc2)c2ccccc2c1=O)Nc1ccc(O)cc1
N-(4-hydroxyphenyl)-2-(1-oxo-4-phenylphthalazin-2-yl)acetamide