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(Br)cc1CN(C)C(=O)Cc1ccc(S(=O)(=O)N2CCOCC2)s1
(b) C=CCc1ccc(OCC(O)CN2CCN(c3ccccc3)CC2)c(OC)c1.Cl
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}