Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COC(=O)Cn1ncn2cccc2c1=O
b: COc1cccc(N2C(=O)NC(=O)/C(=C/c3ccc([N+](=O)[O-])s3)C2=O)c1
c: COc1cc(SC)ccc1C(=O)NCCN1CCOCC1
d: Fc1ccc(Cn2nnnc2CN2CCC(n3nnc4cc(C(F)(F)F)ccc43)CC2)cc1
e: Cc1nn2c(N)csc2nc1=O
Answer: d
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}