Task: Answer the MCQ question.
Question: Which drug has a 13.019\% 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) Cc1ccc(C(=O)N2CCN(c3ncccn3)CC2)cc1NC1=NC2CS(=O)(=O)CC2S1
b) CC(Oc1ccc(Br)cc1Br)C(=O)NC1CCCC1
c) CCCNC(=O)NC(=O)CSc1nnc(C)n1N
d) O=c1cc(-c2ccccc2)oc2ccccc12
Answer: d. O=c1cc(-c2ccccc2)oc2ccccc12
{#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=c1cc(-c2ccccc2)oc2ccccc12
O=c1cc(-c2ccccc2)oc2ccccc12
2-phenylchromen-4-one