Task: Answer the multiple-choice question.
Question: Which drug exhibits a 2.884\% 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. CCC(C(=O)OCC(=O)N1CCN(c2ccc(OC)cc2)CC1)c1ccccc1
b. Nc1ccc2oc(CCc3ccccc3)nc2c1
c. COc1ccc(NC(=O)c2cccnc2Nc2ccc(OC)cc2)cc1
d. COCCCNC(=O)c1nc2c(nnn2Cc2cc(C)ccc2C)c(=O)[nH]1
e. Cc1ccc(CSCCNC(=O)CN(c2cccc([N+](=O)[O-])c2)S(C)(=O)=O)cc1
Answer: b. Nc1ccc2oc(CCc3ccccc3)nc2c1
{#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#}
Nc1ccc2oc(CCc3ccccc3)nc2c1
Nc1ccc2oc(CCc3ccccc3)nc2c1
2-(2-phenylethyl)-1,3-benzoxazol-5-amine