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 additional words.
Options:
a CS(=O)(=O)c1ccc(Cl)c(NC(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)c1
b Cc1cccc(C(=O)OCC(=O)Nc2ccc3c(c2)OCCO3)c1O
Answer: b
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}