Task: Answer the multiple-choice question.
Question: Which drug exhibits a 18.531\% 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, d, or e without using any additional words.
Options:
a. COc1ccc(-c2ccc(OC)cc2C(=O)O)cc1
b. O=C(O)CC1COc2ccccc2N1C(=O)c1ccccc1Cl
c. O=c1[nH]c2ccc(S(=O)(=O)Nc3ccc(-c4nnc5n4CCCCC5)cc3)cc2o1
d. O=C(NCCc1csc(-c2ccccc2)n1)c1ccc(Br)o1
e. COc1ccc2[nH]cc(C(=O)CN3CC(C)CC(C)C3)c2c1
Answer: b. O=C(O)CC1COc2ccccc2N1C(=O)c1ccccc1Cl
{#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(O)CC1COc2ccccc2N1C(=O)c1ccccc1Cl
O=C(O)CC1COc2ccccc2N1C(=O)c1ccccc1Cl
2-[4-(2-chlorobenzoyl)-2,3-dihydro-1,4-benzoxazin-3-yl]acetic acid