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(C)cc(N(C(=O)Cc2cccs2)C(C(=O)NC2CCCC2)c2ccc(C)o2)c1
b. COCCCN(C(=S)Nc1cc(Cl)cc(Cl)c1)C(C)c1ccncc1
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}