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 other words.
Options:
[a] CCOC(=O)N1CCC(NC(=O)c2cc(C)c3c(C)nn(-c4ccccc4)c3n2)CC1
[b] CCn1cc(Cl)c(C(=O)Nc2nc3ccccc3n2CCN2CCCCC2)n1
[c] Cc1nc2ccc(NS(=O)(=O)c3c(F)cc(F)cc3Br)cc2s1
[d] Cc1nc(Cl)c(C(=O)Nc2cccc(F)c2)c(C)c1Cl
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}