Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 13.415\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COc1ccc(C(=O)NCC(=O)OCC(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1
b) COc1ccc(OC)c(S(=O)(=O)Nc2cccnc2)c1
c) CCOc1cccc(-c2nnc3n2N=C(c2cc(OC)ccc2OC)CS3)c1
d) S=C(Cc1cccnc1)N1CCOCC1
Answer: d. S=C(Cc1cccnc1)N1CCOCC1
{#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#}
1-morpholin-4-yl-2-pyridin-3-ylethanethione