Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) O=C(N/N=C/C=C/c1ccccc1)c1cc(C2CC2)[nH]n1
b) Cc1ccc(CN2CCN(Cc3ccc(C)s3)CC2CCO)cc1
c) Cc1nc2ccc(S(=O)(=O)NCC(=O)N(C)Cc3ccccc3)cc2s1
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}