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, d, or e without using any other words.
Options:
[a] CCN1CCN(c2nc(Nc3ccc(C)c(C)c3)nc(N)c2[N+](=O)[O-])CC1
[b] Cc1csc(NC(=O)c2cnc3ccccc3n2)n1
[c] CCSc1nnc(NC(=O)Cc2ccc(OC)c(S(=O)(=O)N3CCOCC3)c2)s1
[d] CCCc1cc(=O)n2[nH]c(-c3ccc(Br)cc3)cc2n1
[e] CCN(CC)c1ccc(C(=O)NNC(=O)c2ccc3c(=O)n4c(nc3c2)CCC4)cc1
Answer: a
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}