Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(C(=O)N2CCN(CCNC(=O)C(=O)Nc3ccc(F)cc3)CC2)cc1
b) COC(=O)C1=C(c2ccc(C(C)=O)cc2)C[C@@H]2CC[C@H]1N2C(=O)NC1CC1
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}