Task: Answer the MCQ question.
Question: Which compound exhibits a -3.346\% 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) O=C(O)CCSc1nnc(SCC(=O)NCC(F)(F)F)s1
b) COc1ccccc1CCNC(=O)C(=O)NCC1OCCN1S(=O)(=O)c1cccs1
c) COC(=O)c1cc(NC(=O)CC2SCCNC2=O)cc(C(=O)OC)c1
d) CCCCc1ccc(-c2ccc(C)cc2O)nc1
Answer: d. CCCCc1ccc(-c2ccc(C)cc2O)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#}
CCCCc1ccc(-c2ccc(C)cc2O)nc1
CCCCc1ccc(-c2ccc(C)cc2O)nc1
2-(5-butylpyridin-2-yl)-5-methylphenol