Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1nc(C)c(-c2nnc(SCCCN3C[C@@H]4C[C@]4(c4ccc(C(F)(F)F)cc4)C3)n2C)s1
b. Cc1ccc(OCc2cccc(COc3ccc(C)cc3)[n+]2C)cc1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-methyl-2,6-bis[(4-methylphenoxy)methyl]pyridin-1-ium