Task: Answer the multiple choice question.
Question: Which compound exhibits a 7.438\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(Nc1ccncc1)c1ccc([N+](=O)[O-])cc1Cl
b. Cc1ccc(OCc2ccoc2C(=O)O)cc1C
c. O=C(Nc1nnc(SCC(=O)N2CCCC2)s1)C1CC(=O)N(c2ccccc2)C1
d. O=C(CN1CCOCC1)NCCC12CC3CC(CC(C3)C1)C2
Answer: a. O=C(Nc1ccncc1)c1ccc([N+](=O)[O-])cc1Cl
{#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(Nc1ccncc1)c1ccc([N+](=O)[O-])cc1Cl
O=C(Nc1ccncc1)c1ccc([N+](=O)[O-])cc1Cl
2-chloro-4-nitro-N-pyridin-4-ylbenzamide