Problem statement: Answer the MCQ question.
Question: Which compound has a -3.888\% 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)Nc2ccccc2C(=O)N2CCN(c3ccccc3)CC2)cc1
b: CCc1ccc2oc(=O)cc(CN3CCOCC3)c2c1
c: O=C(Cn1c2ccc(F)cc2c2nc3n(c(=O)c21)CCS3)NCC1CCCO1
d: Cc1cc(C(=O)Nc2ccccc2C(=O)O)oc1C
e: COc1ccc(CC(=O)Nc2nc(-c3ccc(F)c(F)c3)cs2)cc1OC
Answer: b. CCc1ccc2oc(=O)cc(CN3CCOCC3)c2c1
{#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#}
CCc1ccc2oc(=O)cc(CN3CCOCC3)c2c1
CCc1ccc2oc(=O)cc(CN3CCOCC3)c2c1
6-ethyl-4-(morpholin-4-ylmethyl)chromen-2-one