Task: Please answer the multiple choice question.
Question: Which molecules are 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 CCCCCn1c(SCC2CCCO2)nc2cc(C(=O)N3CCC(C(N)=O)CC3)ccc2c1=O
b CCN(CC)S(=O)(=O)c1ccc(C)c(NC(=O)CN2CCN(Cc3ccccc3)CC2)c1.Cl
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}