Task: Answer the multiple-choice question.
Question: Which compound exhibits a 1.821\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a Cc1ccccc1C(=O)NCC(=O)NNC(=S)NC(=O)c1ccccc1C
b COc1ccc(CNc2ccc(-c3ccc(OC)cc3)nn2)cc1
c CS(=O)(=O)Nc1ccc(C2=NN(S(C)(=O)=O)C(c3ccc4nccnc4c3)C2)cc1
d CCCn1c(O)c(N=NC(=O)c2ccco2)c2ccccc21
e Cc1cccc(C(=O)NC2CCN(S(=O)(=O)c3ccccc3F)CC2)c1
Answer: b. COc1ccc(CNc2ccc(-c3ccc(OC)cc3)nn2)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#}
COc1ccc(CNc2ccc(-c3ccc(OC)cc3)nn2)cc1
COc1ccc(CNc2ccc(-c3ccc(OC)cc3)nn2)cc1
6-(4-methoxyphenyl)-N-[(4-methoxyphenyl)methyl]pyridazin-3-amine