Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -1.712\% 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 additional words.
Options:
a) O=C(CSc1nc2ccccc2o1)Nc1ccccc1N1CCCCCC1
b) CC(C)CCN1C(=O)CCC1(C)C(=O)NC1CCCCCC1
c) CCC1CCCCN1CC(=O)Nc1cc(C)nn1-c1nc(C)cc(C)n1
d) CCOC(=O)N1CCN(C(=O)c2ccc3c(Cl)c4c(nc3c2)CCCC4)CC1
e) CCOc1ccc(NC(=O)C(c2ccccn2)N(C(=O)CCl)c2ccc(F)cc2)cc1
Answer: d. CCOC(=O)N1CCN(C(=O)c2ccc3c(Cl)c4c(nc3c2)CCCC4)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#}
CCOC(=O)N1CCN(C(=O)c2ccc3c(Cl)c4c(nc3c2)CCCC4)CC1
CCOC(=O)N1CCN(C(=O)c2ccc3c(Cl)c4c(nc3c2)CCCC4)CC1
ethyl 4-(9-chloro-5,6,7,8-tetrahydroacridine-3-carbonyl)piperazine-1-carboxylate