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, b, c, or d without using any other words.
Options:
a.) CCOC(=O)NC(=O)CSc1nc(C)cc(C(F)(F)F)c1C#N
b.) CCCC(c1nnnn1Cc1ccc(F)cc1)N1CCN(CC)CC1
c.) CCC(OC(=O)c1cccs1)C(=O)NCc1ccco1
d.) O=S(=O)(c1ccccc1)N1CCC(O)(CSc2ccc(F)cc2)CC1
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}