Task: Answer the MCQ question.
Query: Which drug has a 5.049\% 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 additional words.
Options:
[a] COc1ccc2ncc(OC(C)=O)cc2c1
[b] Cl.O=C(CCN1CCCC1)Nc1ccccc1
[c] O=C(Nc1ccc(CN2CCCCC2)cc1)Nc1ccccc1Cl
[d] CCOc1ccc(N(C(=O)CNC(=O)c2cccs2)C(C(=O)NCC2CCCO2)c2ccc(OC)c(OC)c2)cc1
Answer: b. Cl.O=C(CCN1CCCC1)Nc1ccccc1
{#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#}
Cl.O=C(CCN1CCCC1)Nc1ccccc1
Cl.O=C(CCN1CCCC1)Nc1ccccc1
N-phenyl-3-pyrrolidin-1-ylpropanamide;hydrochloride