Problem statement: Answer the multiple choice question.
Question: Which drug has a 2.221\% 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. O=C(CSCC(=O)N1CCOCC1)Nc1nc(-c2ccc3c(c2)OCO3)cs1
b. c1ccc(-c2ccc(-c3ccccn3)s2)nc1
c. COc1ccc(OC)c2sc(N3CCCCC3)nc12
d. O=C(Nc1ccc(Cl)cc1)C1CCCN(S(=O)(=O)c2cnc[nH]2)C1
Answer: b. c1ccc(-c2ccc(-c3ccccn3)s2)nc1
{#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#}
c1ccc(-c2ccc(-c3ccccn3)s2)nc1
c1ccc(-c2ccc(-c3ccccn3)s2)nc1
[C][=C][C][=C][Branch2][Ring1][C][C][=C][C][=C][Branch1][=Branch2][C][=C][C][=C][C][=N][Ring1][=Branch1][S][Ring1][O][N][=C][Ring1][P]
2-(5-pyridin-2-ylthiophen-2-yl)pyridine