Task: Answer the MCQ question.
Query: Which compound exhibits a 13.468\% 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(Nc1nc2ccccc2[nH]1)c1ccccc1OC(F)F
b CSc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccc(Cl)cc1
c CCOc1cccc(CN2CCC(n3nccc3NC(=O)c3ccc4c(c3)OCO4)CC2)c1
d Cc1sc(-c2ccncc2)nc1OC(=O)c1ccc(Cl)cc1
e Cc1cccc(C(=O)/C=C2/c3ccccc3CC(C)(C)N2C)c1
Answer: a. O=C(Nc1nc2ccccc2[nH]1)c1ccccc1OC(F)F
{#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(Nc1nc2ccccc2[nH]1)c1ccccc1OC(F)F
O=C(Nc1nc2ccccc2[nH]1)c1ccccc1OC(F)F
2-(difluoromethoxy)-N-(1H-benzimidazol-2-yl)benzamide