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 other words.
Options:
a COc1cccc(-c2nnc(SCCOc3ccc4c(C)cc(=O)oc4c3)o2)c1
b CCC1CN(C(=O)N2CCC(C(=O)NCc3ccc(OC)cc3OC)CC2)c2ccccc2O1
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}