Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 4.878\% 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. CNC(=O)c1snnc1-c1ccccc1
b. CCN(CC)CCN(Cc1cc2ccc(C)c(C)c2[nH]c1=O)C(=S)NCc1ccco1
c. Nc1nc(O)c(N=Nc2ccc(S(N)(=O)=O)cc2)c(=O)[nH]1
d. O=c1[nH]c(N2CCOCC2)nc2c1CCCC2
Answer: d. O=c1[nH]c(N2CCOCC2)nc2c1CCCC2
{#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=c1[nH]c(N2CCOCC2)nc2c1CCCC2
O=c1[nH]c(N2CCOCC2)nc2c1CCCC2
2-morpholin-4-yl-5,6,7,8-tetrahydro-3H-quinazolin-4-one