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, b, or c without using any additional words.
Options:
a. COc1ccc(C(=O)C2CCCN(C(=O)c3n[nH]c4c3CCCC4)C2)cc1OC
b. Cl.c1ccc(CNc2nc(N3CCN(Cc4ccccc4)CC3)nc3ccccc23)cc1
c. O=C1CC(C(=O)Nc2ccc(Cl)cc2)n2ncnc2N1
Answer: 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}