Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C1OCCC1Sc1nnc(-c2ccc(F)cc2)n1Cc1ccccc1
(b) COc1ccc(COCC(O)CN2CCC(CN3C(=O)c4cccc5cccc(c45)C3=O)CC2)cc1OC.Cl
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}