Task: Please answer the multiple choice question.
Question: Which molecules are a 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) CCOC(=O)c1nc(C)sc1-c1ccnn1S(=O)(=O)c1cccc(Cl)c1
b) COc1cccc(-n2cc(CNCc3c(C(=O)N(C)C)nc4ccc(Cl)cn34)cn2)c1
c) CC(=O)n1cc([C@H]2C=C(C(=O)Nc3ccccc3)O[C@@H](OCc3ccc(CO)cc3)C2)c2ccccc21
d) COc1ccc(N2CCN(C(=O)COC(=O)CCS(=O)(=O)c3ccc(C)cc3)CC2)cc1
e) CCOC(=O)c1c(C)[nH]c(C(=O)OCC(=O)c2ccc(OC)cc2OC)c1C
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}