Problem statement: Answer the multiple-choice question.
Question: Which drug has a 3.441\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: Cc1ccc(C)c(N2CCN(C(=O)C3CCN(c4nnc(N5CCCC5=O)s4)CC3)CC2)c1
b: Cc1scc(C(=O)NNC(=S)NCC(C)C)c1C
c: CCc1c([O-])[n+](-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)nn2c1=O
d: CCCc1nc2nc(C)c(NS(=O)(=O)c3ccc([N+](=O)[O-])cc3)c(=O)n2[nH]1
e: O=C(O)Cc1nc(-c2cccnc2)sc1-c1ccc(Br)cc1
Answer: c. CCc1c([O-])[n+](-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)nn2c1=O
{#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#}
CCc1c([O-])[n+](-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)nn2c1=O
CCc1c([O-])[n+](-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)nn2c1=O
1-(4-chlorophenyl)-3-ethyl-4-oxo-7-phenylpyrimido[1,2-b]pyridazin-1-ium-2-olate