Problem statement: Answer the MCQ question.
Question: Which drug has a 1.800\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] S=C(NCCCN1CCOCC1)Nc1ccc(Cl)cc1
[b] Cc1cccc(-c2nn(-c3ccccc3)cc2C(=O)N(C)CC(=O)Nc2ccc(N3CCOCC3)cc2)c1
Answer: a. S=C(NCCCN1CCOCC1)Nc1ccc(Cl)cc1
{#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#}
S=C(NCCCN1CCOCC1)Nc1ccc(Cl)cc1
S=C(NCCCN1CCOCC1)Nc1ccc(Cl)cc1
1-(4-chlorophenyl)-3-(3-morpholin-4-ylpropyl)thiourea