Task: Answer the MCQ question.
Query: Which drug has a -2.141\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=C(CCn1c(=O)oc2ccccc21)NCCCN1CCCC1=O
b COc1cccc(C(C(=O)NC(C)(C)C)N(Cc2ccco2)C(=O)CCC(=O)Nc2cc(C)on2)c1OC
c NNC(=O)c1ccccc1OCc1ccccc1
d CSc1ccccc1NC(=O)CN(C)C(=O)Cc1c[nH]c2ccccc12
e O=C(COC(=O)c1cc(S(=O)(=O)N2CCOCC2)ccc1Cl)NC1CC1
Answer: c. NNC(=O)c1ccccc1OCc1ccccc1
{#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#}
NNC(=O)c1ccccc1OCc1ccccc1
NNC(=O)c1ccccc1OCc1ccccc1
2-phenylmethoxybenzohydrazide