Task: Answer the MCQ question.
Question: Which compound exhibits a -1.759\% 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.) CCCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
b.) COc1ccc(-c2cc(-c3ccc(F)cc3)nc(N3CCN(C)CC3)n2)cc1
c.) Cc1cc(-c2n[nH]c(=S)o2)c(C)n1-c1ccccc1
d.) Cc1ccccc1C(=O)Nc1cccc(NC(=O)c2ccccc2[N+](=O)[O-])c1
Answer: b. COc1ccc(-c2cc(-c3ccc(F)cc3)nc(N3CCN(C)CC3)n2)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#}
COc1ccc(-c2cc(-c3ccc(F)cc3)nc(N3CCN(C)CC3)n2)cc1
COc1ccc(-c2cc(-c3ccc(F)cc3)nc(N3CCN(C)CC3)n2)cc1
4-(4-fluorophenyl)-6-(4-methoxyphenyl)-2-(4-methylpiperazin-1-yl)pyrimidine