Task: Answer the MCQ question.
Query: Which drug exhibits a -20.083\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Cc1cc(C)cc(NC(=O)C2C3C=CC4(O3)C2C(=O)N(CCCN2CCCCC2)C4C(=O)NC2CCCCC2)c1
b) CCOc1cccc(CN2CCN(CCc3ccccc3)C(CCO)C2)c1O
c) Cc1cc(NC(=O)c2cccc(F)c2)n(Cc2ccc(F)cc2)n1
d) COc1ccccc1CNc1ncnc2cc(OC)c(OC)cc12
Answer: b. CCOc1cccc(CN2CCN(CCc3ccccc3)C(CCO)C2)c1O
{#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#}
CCOc1cccc(CN2CCN(CCc3ccccc3)C(CCO)C2)c1O
CCOc1cccc(CN2CCN(CCc3ccccc3)C(CCO)C2)c1O
2-ethoxy-6-[[3-(2-hydroxyethyl)-4-(2-phenylethyl)piperazin-1-yl]methyl]phenol