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. CCC(C)[C@H](NC(=O)N1CC(=O)Nc2ccccc21)C(=O)N[C@@H](C(=O)O)c1ccccc1
b. COc1ccc(-n2nc(C(=O)NCC(=O)N3CCC4(CC3)OCCO4)c3ccccc3c2=O)cc1Cl
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}