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.) C=CCOc1nc2c(c(=O)n(Cc3ccc(Cl)cc3)c(=O)n2C)n1C
b.) O=[N+]([O-])c1ccc(C(O)CN2CCN(C/C=C/c3ccccc3)CC2)cc1
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}