Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 4.396\% 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. CCOC(=O)C1CN(S(=O)(=O)c2ccc(OC)cc2)c2cc(CC(=O)OC)ccc2O1
b. CCN(CC)Cc1c(C(=O)N/N=C/c2cccnc2)nnn1-c1nonc1N
c. Cc1[nH]c(C)c(S(=O)(=O)N2CCC(C)CC2)c1C(=O)N1CCCC1
d. CC1CN(C(=O)COC(=O)c2ccc(C#N)cc2)CC(C)O1
Answer: a. CCOC(=O)C1CN(S(=O)(=O)c2ccc(OC)cc2)c2cc(CC(=O)OC)ccc2O1
{#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#}
CCOC(=O)C1CN(S(=O)(=O)c2ccc(OC)cc2)c2cc(CC(=O)OC)ccc2O1
CCOC(=O)C1CN(S(=O)(=O)c2ccc(OC)cc2)c2cc(CC(=O)OC)ccc2O1
ethyl 6-(2-methoxy-2-oxoethyl)-4-(4-methoxyphenyl)sulfonyl-2,3-dihydro-1,4-benzoxazine-2-carboxylate