Task: Answer the MCQ question.
Query: Which drug exhibits a 4.507\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) COC(=O)CSC1=C(C#N)C(c2ccc(C)o2)CC(=O)N1
b.) O=C(N/N=C/C=C\c1cccc([N+](=O)[O-])c1)c1cccnc1
c.) CC(C)C(=O)Nc1nnc(S(=O)(=O)N(C)c2ccc(Cl)cc2)s1
d.) Cc1nn(CC(=O)Nc2ccc(C#N)cc2)c(C)c1[N+](=O)[O-]
Answer: b. O=C(N/N=C/C=C\c1cccc([N+](=O)[O-])c1)c1cccnc1
{#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(N/N=C/C=C\c1cccc([N+](=O)[O-])c1)c1cccnc1
O=C(N/N=C/C=C\c1cccc([N+](=O)[O-])c1)c1cccnc1
N-[(E)-[(Z)-3-(3-nitrophenyl)prop-2-enylidene]amino]pyridine-3-carboxamide