Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1cc(NC(=O)CCC(=O)N(Cc2ccco2)C2(C(=O)NC3CCCCC3)CCCCC2)no1
b. COC(=O)N/N=C/c1ccc(-c2ccc(Cl)cc2Cl)o1
Answer: a, 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}