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. Cc1ccc(S(=O)(=O)Nc2ccc(NC(=O)Nc3ccc(F)cc3F)cc2)cc1
b. Cn1nc(C(=O)N2CCN(S(=O)(=O)/C=C/c3ccccc3)CC2)c2ccccc2c1=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}