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 additional words.
Options:
a. O=C(c1ccc(C(F)(F)F)cc1)N1CCC(=O)N(C(COCc2ccccc2)Cc2ccccc2)CC1
b. O=S(=O)(Nc1nc2ccccc2nc1NCCO)c1cccc(Cl)c1
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}