Task: Answer the MCQ question.
Question: Which drug exhibits a 2.546\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCCCCn1c(O)c(C=NC2CCN(Cc3ccccc3)CC2)c(=O)[nH]c1=O
b Cc1cccc(-n2c(CNC(=O)COc3ccccc3)nnc2SCC(=O)Nc2nccs2)c1
c CC1Cc2cc(S(=O)(=O)N3CCN(c4cccc(Cl)c4)CC3)ccc2N1C(=O)C1CC1
Answer: a. CCCCCCn1c(O)c(C=NC2CCN(Cc3ccccc3)CC2)c(=O)[nH]c1=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#}
CCCCCCn1c(O)c(C=NC2CCN(Cc3ccccc3)CC2)c(=O)[nH]c1=O
CCCCCCn1c(O)c(C=NC2CCN(Cc3ccccc3)CC2)c(=O)[nH]c1=O
5-[(1-benzylpiperidin-4-yl)iminomethyl]-1-hexyl-6-hydroxypyrimidine-2,4-dione