Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.568\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=C(Cn1cnc2cc([N+](=O)[O-])ccc2c1=O)Nc1cccc2ccccc12
b) CCC(Sc1nc2sc(C(=O)OC)c(C)c2c(=O)n1N)C(=O)NCC1CCCO1
c) COC(=O)CCC(=O)OC1(C)C(=O)C2=CN(c3ccc(OC)cc3)C(c3ccc(OC)cc3)=CC2=C(Br)C1=O
d) CC1(C)c2[nH]c3ccccc3c2C[C@H]2C(=O)N(Cc3ccccc3)C(=O)N21
Answer: a. O=C(Cn1cnc2cc([N+](=O)[O-])ccc2c1=O)Nc1cccc2ccccc12
{#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(Cn1cnc2cc([N+](=O)[O-])ccc2c1=O)Nc1cccc2ccccc12
O=C(Cn1cnc2cc([N+](=O)[O-])ccc2c1=O)Nc1cccc2ccccc12
N-naphthalen-1-yl-2-(7-nitro-4-oxoquinazolin-3-yl)acetamide