Task: Answer the multiple choice question.
Query: Which drug exhibits a 12.671\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a NC(=O)NOCc1cccc(Cl)c1
b CCCCCN(C(=O)CCC(=O)OCC(=O)N(C)c1ccccc1)c1c(N)n(CCCC)c(=O)[nH]c1=O
c CC1(C)Nc2ccc(O)cc2-c2c1ssc2=S
d Cc1cc(C)n2nc(SCC(=O)N(C)Cc3ccccc3)nc2n1
Answer: a. NC(=O)NOCc1cccc(Cl)c1
{#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#}
NC(=O)NOCc1cccc(Cl)c1
NC(=O)NOCc1cccc(Cl)c1
(3-chlorophenyl)methoxyurea