Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 4.638\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(O)c1ccccc1-c1nc2cc(Cl)ccc2c(=O)n1O
[b] COc1cc(S(=O)(=O)NCCN2CCOCC2)c(OC)cc1Cl
[c] O=C(Nc1cc(-c2nc3ncccc3o2)ccc1Cl)c1cccs1
[d] Cc1ccc(-c2noc(CCC(=O)N(C)c3ccccc3C)n2)cc1
Answer: b. COc1cc(S(=O)(=O)NCCN2CCOCC2)c(OC)cc1Cl
{#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#}
COc1cc(S(=O)(=O)NCCN2CCOCC2)c(OC)cc1Cl
COc1cc(S(=O)(=O)NCCN2CCOCC2)c(OC)cc1Cl
4-chloro-2,5-dimethoxy-N-(2-morpholin-4-ylethyl)benzenesulfonamide