Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.981\% 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) COc1ccc(CCNC(=O)CCn2c(=O)c3cccn3c3cccnc32)cc1OC
b) Cc1ccc(Cc2cnc(N3C(=N)SC(C)C3=O)s2)cc1
c) O=C(Cn1cnc2ccccc2c1=O)N1CCN(c2ccccc2)CC1
d) O=C(COC(=O)CCc1c[nH]c2ccccc12)Nc1cc([N+](=O)[O-])ccc1Cl
Answer: d. O=C(COC(=O)CCc1c[nH]c2ccccc12)Nc1cc([N+](=O)[O-])ccc1Cl
{#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(COC(=O)CCc1c[nH]c2ccccc12)Nc1cc([N+](=O)[O-])ccc1Cl
O=C(COC(=O)CCc1c[nH]c2ccccc12)Nc1cc([N+](=O)[O-])ccc1Cl
[2-(2-chloro-5-nitroanilino)-2-oxoethyl]3-(1H-indol-3-yl)propanoate