Task: Answer the MCQ question.
Question: Which drug has a 2.814\% 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, or d without using any other words.
Options:
[a] Cl.O=C(Nc1cc(F)cc(F)c1)c1ccc(NCCCN2CCCCCC2)c([N+](=O)[O-])c1
[b] CN(C)CCCOc1cccc(Oc2ccccc2)c1.O=C(O)C(=O)O
[c] COc1ccc2cc(CCNC(=O)C3CCCC3)c(=O)[nH]c2c1
[d] O=S(=O)(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc(Cl)c(Cl)c1
Answer: d. O=S(=O)(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc(Cl)c(Cl)c1
{#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=S(=O)(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc(Cl)c(Cl)c1
O=S(=O)(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc(Cl)c(Cl)c1
3,4-dichloro-N-[3-(6-morpholin-4-ylpyridazin-3-yl)phenyl]benzenesulfonamide