Problem statement: Answer the multiple choice question.
Query: Which drug has a 4.643\% 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 additional words.
Options:
a.) COc1cc2[nH]c(=S)nc(NCCCOC(C)C)c2cc1OC
b.) CCOCCCNC(=O)C(c1ccc(Cl)cc1)N1CCC2(CC1)OCCO2
c.) CC(=O)Nc1ccc(NC(=O)C(C)OC(=O)CCC2CCCCC2)cc1
d.) COC(=O)CSc1nc(N)nc(C)c1Br
Answer: a. COc1cc2[nH]c(=S)nc(NCCCOC(C)C)c2cc1OC
{#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#}
COc1cc2[nH]c(=S)nc(NCCCOC(C)C)c2cc1OC
COc1cc2[nH]c(=S)nc(NCCCOC(C)C)c2cc1OC
6,7-dimethoxy-4-(3-propan-2-yloxypropylamino)-1H-quinazoline-2-thione