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, b, or c without using any other words.
Options:
a. O=C(N/N=C/c1ccc(N2CCOCC2)s1)c1ccccc1Br
b. COc1cccc(CC2(CO)CCN(Cc3ccc4cccc(F)c4n3)CC2)c1
c. COCC1CCCCC1OS(N)(=O)=O
Answer: 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}