Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 15.971\% 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 other words.
Options:
a) Cc1ccc(-c2noc(CCC(=O)NC3CCCC3)n2)cc1
b) Nc1ccc(CN2CCOCC2)cc1
c) Cc1ccc(S(=O)(=O)N2CCN(C(=O)CN3CCCSc4ccccc43)CC2)cc1
d) O=C(O)C1CCCCC1C(=O)Nc1cc(Cl)ccc1Cl
Answer: b. Nc1ccc(CN2CCOCC2)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#}
Nc1ccc(CN2CCOCC2)cc1
Nc1ccc(CN2CCOCC2)cc1
4-(morpholin-4-ylmethyl)aniline