Problem statement: Answer the multiple choice question.
Query: Which compound has a 4.146\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CS(=O)(=O)N1CCC(Oc2ccccc2C(=O)N2CCNC(=O)C2)CC1
b) CCOC(=O)CN1C(=O)N[C@@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
Answer: b. CCOC(=O)CN1C(=O)N[C@@H](c2ccc(Br)cc2)C(C(=O)OC)=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#}
CCOC(=O)CN1C(=O)N[C@@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
CCOC(=O)CN1C(=O)N[C@@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
methyl (6S)-6-(4-bromophenyl)-3-(2-ethoxy-2-oxoethyl)-4-methyl-2-oxo-1,6-dihydropyrimidine-5-carboxylate