Task: Answer the MCQ question.
Query: Which drug exhibits a 20.883\% 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 other words.
Options:
a.) Cc1cccc(NCc2ccccc2O)n1
b.) O=S(=O)(NCCN1CCOCC1)c1ccc(-c2ccc(S(=O)(=O)NCCN3CCOCC3)cc2)cc1
c.) Cc1sc(-c2ccccc2)c(-c2ccccc2)[n+]1CCO.[I-]
d.) N#Cc1ccc(NC(=O)Cn2cnc(S(=O)(=O)N3CCCC3)c2)cc1
Answer: b. O=S(=O)(NCCN1CCOCC1)c1ccc(-c2ccc(S(=O)(=O)NCCN3CCOCC3)cc2)cc1
{#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=S(=O)(NCCN1CCOCC1)c1ccc(-c2ccc(S(=O)(=O)NCCN3CCOCC3)cc2)cc1
O=S(=O)(NCCN1CCOCC1)c1ccc(-c2ccc(S(=O)(=O)NCCN3CCOCC3)cc2)cc1
N-(2-morpholin-4-ylethyl)-4-[4-(2-morpholin-4-ylethylsulfamoyl)phenyl]benzenesulfonamide