Task: Answer the multiple-choice question.
Question: Which compound exhibits a 19.956\% human ether-à-go-go related gene (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) O=C1CC(C(=O)Nc2ccc(C(=O)N3CCOCC3)cc2)C2(CCCCC2)O1
b) O=P(COCCOCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
c) COc1cccc(CN2CCNC(=O)C2CC(=O)N2CCOc3ccccc3C2)c1OC
d) Cc1ccc(S(=O)(=O)Oc2ccccc2/C=N/N=C2/NC(=O)C(CC(=O)O)S2)cc1
Answer: b. O=P(COCCOCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
{#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=P(COCCOCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
O=P(COCCOCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
[2-(diphenylphosphorylmethoxy)ethoxymethyl-phenylphosphoryl]benzene