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, d, or e without using any additional words.
Options:
a. CC(=O)CCc1ccc(OCC(O)CNCCOc2ccc(C)cc2)cc1
b. Cc1ccc(S(=O)(=O)N2CC=C(C(=O)NC3CC3)CC2)cc1
c. Cc1cc(C)n2nc(Cc3ccccc3)nc2n1
d. CC(C)c1nnc(SCC(=O)N2CCN(C(=O)c3ccco3)CC2)n1N
e. S=C(NCc1cccnc1)Nc1ccc(Cl)cc1Cl
Answer: a
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}