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, c, d, or e without using any additional words.
Options:
a. O=C(Nc1ccc(C(F)(F)F)cc1)c1ccccc1Br
b. CCCn1c(=N)n(CC(O)c2ccc(C)cc2)c2ccccc21.Cl
c. N#Cc1ccccc1S(=O)(=O)N1CCN(C(=O)CN2CCCC2c2cccs2)CC1
d. Cc1ccc(S(=O)(=O)N[C@H](C(=O)N2CCC(C(=O)N[C@@H](CCC(N)=O)C(=O)O)CC2)C(C)C)cc1
e. COc1cc2c(cc1NC(=S)Nc1cccc(C(F)(F)F)c1)oc1ccccc12
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}