Task: Answer the MCQ question.
Question: Which drug has a 20.704\% 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.) COc1ccccc1N1CCN(/N=C/c2cc(OC)c(OC(C)=O)c(OC)c2)CC1
b.) Cn1c(NCCN2CCOCC2)nc2c1c(=O)n(Cc1cccc(Cl)c1)c(=O)n2C
c.) O=C(Cc1ccccc1)NNC1CC(=O)N(c2ccc(Br)cc2)C1=O
d.) O=C(COc1ccccc1)Nc1cccc(-c2cn3cccnc3n2)c1
Answer: c. O=C(Cc1ccccc1)NNC1CC(=O)N(c2ccc(Br)cc2)C1=O
{#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=C(Cc1ccccc1)NNC1CC(=O)N(c2ccc(Br)cc2)C1=O
O=C(Cc1ccccc1)NNC1CC(=O)N(c2ccc(Br)cc2)C1=O
N'-[1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl]-2-phenylacetohydrazide