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) CN(C)c1ccc(P(=O)(Nc2cccc(C(F)(F)F)c2)N2CCOCC2)c(NC(=O)c2cccs2)c1
b) O=S(=O)(c1ccc(Cl)cc1)c1nc(-c2ccccc2F)oc1NCCN1CCOCC1
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}