Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -1.894\% 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. Cc1c(NC(=O)CN2CCN(c3ccc(O)cc3)CC2)c(=O)n(-c2ccccc2)n1C
b. CCOc1ccc2ncc(S(=O)(=O)c3ccc(C)cc3)c(N3CCC4(CC3)OCCO4)c2c1
c. CCOc1cccc2sc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N4CCc5ccccc5C4)cc3)nc12.Cl
d. COC(=O)c1cc(OC)c(OC)cc1NC(=O)CN1CCCCC1
e. COC(=O)c1cc(OC)c(OC)cc1NC(=O)Cc1cccs1
Answer: a. Cc1c(NC(=O)CN2CCN(c3ccc(O)cc3)CC2)c(=O)n(-c2ccccc2)n1C
{#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#}
Cc1c(NC(=O)CN2CCN(c3ccc(O)cc3)CC2)c(=O)n(-c2ccccc2)n1C
Cc1c(NC(=O)CN2CCN(c3ccc(O)cc3)CC2)c(=O)n(-c2ccccc2)n1C
N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-[4-(4-hydroxyphenyl)piperazin-1-yl]acetamide