Task: Answer the multiple-choice question.
Query: Which drug has a 3.285% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CC1CCCCN1C(=O)CSc1nc(C2CC2)nc2ccccc12
[b] O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
[c] CCC12CN3CCN(CC(C3)C1O)C2
[d] Cc1ccc(O)c(-c2cc(C(=O)NCc3ccncc3)[nH]n2)c1
Answer: b. O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
{#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(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
N-(2-chlorophenyl)-2-(2-nitro-9-oxoacridin-10-yl)acetamide