Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1ccccc1-n1c(SCc2csc(Nc3ccccc3)n2)nnc1-c1cccnc1
b COc1ccccc1Oc1coc2c(CN(C)C)c(O)ccc2c1=O
c Cc1cnnn1-c1cccc([N+](=O)[O-])c1
d CCOCCCn1c(SCC(=O)NCc2ccc3c(c2)OCO3)nc2ccccc2c1=O
Answer: d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}