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 other words.
Options:
(a) Cc1cc(C)cc(NC(=O)CCCCCN2C(=O)[C@@H]3Cc4ccccc4CN3C2=O)c1
(b) CC1CCN(Cc2c(C(=O)N/N=C/c3ccc(C(F)(F)F)cc3)nnn2-c2nonc2N)CC1
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}