Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 4.570\% human ether-à-go-go related gene (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 additional words.
Options:
[a] Cc1ccc2c(c1)C(c1ccccc1)=NCC(=O)N2
[b] CCOC(=O)C1(CCc2ccccc2)CCN(C(=O)CN2CCOC2=O)CC1
[c] NC(=O)CC(NC(=O)c1cccc(Br)c1)c1ccc(N2CCN(c3ccc(F)cc3)CC2)c([N+](=O)[O-])c1
[d] CCC(=O)N1CCN(c2ccc(NC(=O)c3ccc(N4CCCC4)c([N+](=O)[O-])c3)cc2)CC1
Answer: d. CCC(=O)N1CCN(c2ccc(NC(=O)c3ccc(N4CCCC4)c([N+](=O)[O-])c3)cc2)CC1
{#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#}
CCC(=O)N1CCN(c2ccc(NC(=O)c3ccc(N4CCCC4)c([N+](=O)[O-])c3)cc2)CC1
CCC(=O)N1CCN(c2ccc(NC(=O)c3ccc(N4CCCC4)c([N+](=O)[O-])c3)cc2)CC1
3-nitro-N-[4-(4-propanoylpiperazin-1-yl)phenyl]-4-pyrrolidin-1-ylbenzamide