Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 5.684\% hERG inhibition at a concentration of 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(NC(=O)C2CCN(S(=O)(=O)c3ccc4nc5c(c(C(=O)O)c4c3)CC(C)CC5)CC2)CC1
(b) CC(/C=C/c1ccccc1)=N\NC(=O)C1CC1(C)c1ccccc1
(c) O=C(NCC1(N2CCCCC2)CCCCC1)c1cc([N+](=O)[O-])ccc1Cl
(d) O=S1(=O)N=C(Nc2ccc(N3CCOCC3)c(Cl)c2)c2ccccc21
(e) CN(C)[C@@H](CO)c1nnc([C@H](CC(=O)O)NC(=O)C2CCNCC2)o1.Cl
Answer: c. O=C(NCC1(N2CCCCC2)CCCCC1)c1cc([N+](=O)[O-])ccc1Cl
{#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(NCC1(N2CCCCC2)CCCCC1)c1cc([N+](=O)[O-])ccc1Cl
O=C(NCC1(N2CCCCC2)CCCCC1)c1cc([N+](=O)[O-])ccc1Cl
2-chloro-5-nitro-N-[(1-piperidin-1-ylcyclohexyl)methyl]benzamide