Task: Answer the multiple-choice question.
Query: Which compound has a 21.633\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) O=C(Nc1nnc(C2CC2)s1)c1cccs1
b.) Cc1ccc(NC(=O)N2CCCC(c3nc(-c4ccc(F)cc4)no3)C2)cc1
c.) O=C(COc1ccccc1F)Nc1nnc(-c2ccncc2)s1
d.) CSc1nc(N)c(N=Nc2ccc([As](=O)(O)O)cc2)c(=O)[nH]1
e.) CC(C)CCNC(=O)c1onc(CSc2nc3ccccc3[nH]2)c1C(=O)NCCC(C)C
Answer: a. O=C(Nc1nnc(C2CC2)s1)c1cccs1
{#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=C(Nc1nnc(C2CC2)s1)c1cccs1
O=C(Nc1nnc(C2CC2)s1)c1cccs1
N-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)thiophene-2-carboxamide