Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCn1c(SCC(=O)Nc2ccc(C(=O)OC)cc2)nnc1-c1cccs1
b.) CC1=CC=CC2=N/C(=N\S(=O)(=O)c3ccc(F)cc3F)c3ccccc3CN12
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}