Task: Answer the MCQ question.
Query: Which compound exhibits a -4.122\% human ether-à-go-go related gene (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 additional words.
Options:
[a] CC(C)c1ccc(OCC(=O)NN2C(=O)c3ccccc3C2=O)c(Br)c1
[b] Cn1nnc2cc(C(=O)Nc3ccc(Cl)cc3)ccc21
[c] Cc1cc(=O)[nH]c(SCC(=O)Nc2nc3ccccc3s2)n1
[d] O=C1C(Cl)=C(NCCN2CCCCC2)C(=O)c2ccccc21
Answer: d. O=C1C(Cl)=C(NCCN2CCCCC2)C(=O)c2ccccc21
{#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=C1C(Cl)=C(NCCN2CCCCC2)C(=O)c2ccccc21
O=C1C(Cl)=C(NCCN2CCCCC2)C(=O)c2ccccc21
2-chloro-3-(2-piperidin-1-ylethylamino)naphthalene-1,4-dione