Task: Answer the MCQ question.
Question: Which compound has a 6.641\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1nn(-c2ccccc2)c(N2CCCC2)c1/C=N/NC(=O)c1cccc(S(=O)(=O)Nc2ccc(Cl)cc2)c1
[b] O=C(NCc1cccnc1)c1ccc2c(=O)n(CCCN3CCCC3=O)c(=S)[nH]c2c1
Answer: b. O=C(NCc1cccnc1)c1ccc2c(=O)n(CCCN3CCCC3=O)c(=S)[nH]c2c1
{#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(NCc1cccnc1)c1ccc2c(=O)n(CCCN3CCCC3=O)c(=S)[nH]c2c1
O=C(NCc1cccnc1)c1ccc2c(=O)n(CCCN3CCCC3=O)c(=S)[nH]c2c1
4-oxo-3-[3-(2-oxopyrrolidin-1-yl)propyl]-N-(pyridin-3-ylmethyl)-2-sulfanylidene-1H-quinazoline-7-carboxamide