Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) Cc1cc(-c2ccc3c(c2)CCN(CCSc2nnc(-c4ccc(F)c(F)c4)n2C)CC3)n(C)n1
b.) O=C(O)CN(CCOc1ccc([N+](=O)[O-])cc1)CCc1ccc([N+](=O)[O-])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}
2-[2-(4-nitrophenoxy)ethyl-[2-(4-nitrophenyl)ethyl]amino]acetic acid