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, or d without using any additional words.
Options:
a. COC(=O)c1cc(Nc2cc(C)c3ccc(O)cc3n2)cc(C(=O)OC)c1
b. CC(=O)Nc1ccc(NC(=O)C(C)OC(=O)/C(C#N)=C/c2ccc(N(C)C)cc2)cc1
c. Cc1nc2ccccn2c1-c1ccnn1S(=O)(=O)c1ccc(F)cc1
d. Cc1cc(OCCN2CCC(Cc3ccccc3)CC2)ccc1[N+](=O)[O-].O=C(O)C(=O)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}