Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: Cn1c(=O)c(=O)n(C)c2cc(S(=O)(=O)CCC(=O)N3CCCCC3)ccc21
b: CC(C)(C)CN1C(N)=NC[C@@H]1Cc1ccc(O)cc1
c: CN(Cc1cccs1)C(=O)c1cccc(S(=O)(=O)N2CCCCCC2)c1
d: N#Cc1ccc(OC(=O)C2CCN(C3=NS(=O)(=O)c4ccccc43)CC2)cc1
e: CN(C(=O)CSc1nnc(-c2cccnc2)o1)C1CCCCC1
Answer: c
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}