Task: Answer the MCQ question.
Question: Which drug exhibits a 13.421\% 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(Nc1ccc(Br)c2cccnc12)c1ccc(Cn2cc([N+](=O)[O-])cn2)o1
b Cc1ccc(S(=O)(=O)Nc2cccc(C(=O)N3CCOCC3)c2)c(C)c1NS(C)(=O)=O
c Cc1nc(Oc2cccc(Cl)c2)c2oc3ccccc3c2n1
d O=C(COC(=O)/C=C/c1cccc(F)c1)NC1CCCC1
Answer: c. Cc1nc(Oc2cccc(Cl)c2)c2oc3ccccc3c2n1
{#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#}
Cc1nc(Oc2cccc(Cl)c2)c2oc3ccccc3c2n1
Cc1nc(Oc2cccc(Cl)c2)c2oc3ccccc3c2n1
4-(3-chlorophenoxy)-2-methyl-[1]benzofuro[3,2-d]pyrimidine