Task: Answer the MCQ question.
Query: Which compound exhibits a -2.247\% 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(-c2oc(/N=C/N3CCOCC3)c(C#N)c2-c2ccc(OC)cc2)cc1
b: O=C(NCCc1ccccc1)C(=O)NCC1OCCN1S(=O)(=O)c1cc(F)ccc1F
c: COc1ccc(OC)c(C(=O)c2ccc(C(=O)Nc3ccc4ccccc4c3)cc2)c1
d: COc1ccc(C(=O)CCN2CCCC(C)C2)cc1.Cl
e: CC(C)(C)OC(=O)NCCCC[C@H](NC(=O)C1CCN(C(=O)OC(C)(C)C)CC1)c1nnc(CNC(=O)OC(C)(C)C)o1
Answer: b. O=C(NCCc1ccccc1)C(=O)NCC1OCCN1S(=O)(=O)c1cc(F)ccc1F
{#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(NCCc1ccccc1)C(=O)NCC1OCCN1S(=O)(=O)c1cc(F)ccc1F
O=C(NCCc1ccccc1)C(=O)NCC1OCCN1S(=O)(=O)c1cc(F)ccc1F
N'-[[3-(2,5-difluorophenyl)sulfonyl-1,3-oxazolidin-2-yl]methyl]-N-(2-phenylethyl)oxamide