Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.320\% 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=C(O)CCCCCCCCCCCc1ccccc1
b. COc1cc(SC)ccc1C(=O)N1CCN(c2ccccc2)CC1
c. C=CCNC(=S)N1CCC(C(=O)c2ccc(OC)cc2)CC1
d. COc1cccc(-n2c(C)nc3c(cnn3-c3ccc(Cl)cc3)c2=O)c1
Answer: d. COc1cccc(-n2c(C)nc3c(cnn3-c3ccc(Cl)cc3)c2=O)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#}
1-(4-chlorophenyl)-5-(3-methoxyphenyl)-6-methylpyrazolo[3,4-d]pyrimidin-4-one