Task: Answer the MCQ question.
Question: Which compound exhibits a 1.857\% 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) CC(C)Cc1nnc(NC(=O)CN2C(=O)c3ccccc3C2=O)s1
(b) Cl.N=c1sccn1CC(=O)NCc1ccc(Cl)cc1Cl
(c) Cc1ccc(Cl)cc1Nc1nc(-c2sc(NC(=O)C(C)(C)C)nc2C)cs1
(d) Cc1ccccc1NC(=O)NCCCN1CCN(C2CCCCC2)CC1
Answer: d. Cc1ccccc1NC(=O)NCCCN1CCN(C2CCCCC2)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#}
Cc1ccccc1NC(=O)NCCCN1CCN(C2CCCCC2)CC1
Cc1ccccc1NC(=O)NCCCN1CCN(C2CCCCC2)CC1
1-[3-(4-cyclohexylpiperazin-1-yl)propyl]-3-(2-methylphenyl)urea