Task: Answer the multiple-choice question.
Question: Which compound has a 18.556\% 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: Cc1ccc2nc(N3CCC(C(=O)O)CC3)nc(-c3ccccc3)c2c1
b: CCOC(=O)c1c(C)[nH]c(C(=O)CSc2nnnn2-c2ccccc2)c1C
c: CC(=O)N1CC=C2C(C#N)=C(N)C(C#N)(C#N)C(CCc3ccccc3)C2C1
d: Cc1nc(NCCN2CCOCC2)c2oc3ccccc3c2n1.Cl
e: COc1ccc(-c2nc(CSCC(=O)NC3CCCc4ccccc43)c(C)o2)cc1
Answer: b. CCOC(=O)c1c(C)[nH]c(C(=O)CSc2nnnn2-c2ccccc2)c1C
{#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#}
ethyl 2,4-dimethyl-5-[2-(1-phenyltetrazol-5-yl)sulfanylacetyl]-1H-pyrrole-3-carboxylate