Task: Answer the multiple choice question.
Question: Which drug exhibits a 9.274\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(NC1(O)C(=O)c2ccccc2C1=O)c1ccccc1
b. COCCn1c(SCC(=O)Nc2cc(Cl)ccc2OC)nc2c(c1=O)SC(C)C2
c. COc1cccc(N2CCN(c3ncnc4c3[nH]c3ccccc34)CC2C)c1
d. CCOc1ccc(C(=O)N(C)C2CCS(=O)(=O)C2)cc1
Answer: c. COc1cccc(N2CCN(c3ncnc4c3[nH]c3ccccc34)CC2C)c1
{#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#}
4-[4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]-5H-pyrimido[5,4-b]indole