Task: Answer the multiple-choice question.
Query: Which drug exhibits a -27.544% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1N1CCCCC1
[b] CCC1(c2ccc(OC)cc2)NC(=O)N(CC(=O)c2ccc3c(c2)OCCO3)C1=O
[c] CCC(=O)Nc1cccc(-n2nnnc2SCC(=O)N2CCCCC2)c1
[d] CCOC(=O)N(C)c1ccc(C(O)(C(=O)OC)C(F)(F)F)cc1
[e] C=CCn1c(C)cc(C(=O)COc2nncc3ccccc23)c1C
Answer: a. O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1N1CCCCC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1N1CCCCC1
O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1N1CCCCC1
N-(1,3-benzodioxol-5-ylmethyl)-5-nitro-2-piperidin-1-ylbenzamide