Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COc1ccc(CCn2c(=N)c(C(=O)NCC3CCCO3)cc3c(=O)n4ccccc4nc32)cc1OC
b.) CC(C)N1C(=S)SC(C)(C)C1n1oc(=O)n(-c2ccc(Cl)c(Cl)c2)c1=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}