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, c, or d without using any additional words.
Options:
a.) O=C1CCCN1CCCNc1nc2c(S(=O)(=O)c3ccccc3)nnn2c2ccc(Cl)cc12
b.) CC(=O)NC(Cc1cc(C)ccc1C)C(=O)N1CCN(C(=O)c2ccc(Br)cc2)CC1
c.) COc1ccc(-c2cc(C(=O)N3CCN(c4ccc(F)cc4)CC3)no2)cc1
d.) COC(=O)C(N)Cc1ccc(OC)c([N+](=O)[O-])c1.Cl
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}