Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC(CCO)Nc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1cccc(Br)c1
b. COc1ccc(Cn2cc3c(-c4ccc(F)cc4)nnc-3c3cc(OC)c(OC)cc32)cc1
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}