Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1cc(S(=O)(=O)N2CCCC(C(=O)Nc3ccc(C(=O)O)cc3)C2)ccc1Cl
b. Clc1ccc(-c2c[n+]3c(n2-c2ccccc2)SCC3)cc1.[Cl-]
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}