Task: Please answer the multiple choice question.
Question: Which molecules are 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: CN1CCN(c2nc(Nc3cccc(C(F)(F)F)c3)nc(N3CCOCC3)n2)CC1
b: CN1CCC(C2Oc3ccccc3Sc3ccc(Cl)cc32)CC1.O=C(O)/C=C\C(=O)O
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}