Task: Answer the MCQ question.
Query: Which drug has a 18.856\% 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. CCN(CC)S(=O)(=O)c1ccc(C)c(NC(=O)CN(C)C)c1
b. O=C(Nc1ccc(C(=O)O)cc1)/C(=C\c1ccc(F)cc1)NC(=O)c1ccco1
c. O=C1CSC2=NCN(c3ccccc3)CN12
d. Cc1oc(-c2cccs2)nc1CN1CCN(C(C)C)C(CCO)C1
Answer: c. O=C1CSC2=NCN(c3ccccc3)CN12
{#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#}
O=C1CSC2=NCN(c3ccccc3)CN12
O=C1CSC2=NCN(c3ccccc3)CN12
3-phenyl-2,4-dihydro-[1,3]thiazolo[3,2-a][1,3,5]triazin-6-one