Task: Answer the MCQ question.
Query: Which drug has a 18.863\% 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 other words.
Options:
a: COc1ccc(C(=O)Oc2ccc3ccc(=O)oc3c2)cc1
b: O=C(N/N=C/c1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O)c1ccccc1
c: CCOC(=O)C1(C)/C(=N/Nc2ccc(S(N)(=O)=O)cc2)C(=O)C(=O)N1c1ccccc1
d: O=C(CSCc1ccc(C(=O)O)cc1)Nc1ccccc1
e: CCSc1nc(C)c(CC)c(C)c1C(N)=O
Answer: b. O=C(N/N=C/c1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O)c1ccccc1
{#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(N/N=C/c1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O)c1ccccc1
O=C(N/N=C/c1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O)c1ccccc1
N-[(E)-[1-[2-(cyclohexen-1-yl)ethyl]-6-hydroxy-2,4-dioxopyrimidin-5-yl]methylideneamino]benzamide