Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(OC)c(CN2CCN(Cc3cc(=O)oc4cc(O)ccc34)CC2)c1
b) CN(C(=O)COC(=O)/C=C/c1ccc(Cl)c(Cl)c1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
Answer: a
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}