Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COC(=O)C1=CN(Cc2ccc(OC)c(OC)c2)C=C(C(=O)OC)C1c1ccc(O)cc1
b. COc1ccc(CNS(=O)(=O)c2cc(CN3C(=O)c4cccnc4C3=O)ccc2OC)cc1
Answer: a, 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}