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 CCOc1cc(-n2ncc(C#N)c2N)nc(SC)n1
b COc1cccc(N2CCN(S(=O)(=O)c3cc4c(cc3C)N(C)CCO4)CC2)c1
c CCOP(=O)(OCC)C(NC(=O)c1ccc(OC)cc1)c1ccccc1
d Cc1occc1-c1nnc(SCC(=O)Nc2nccs2)n1CCc1ccccc1
e S=C(NCCc1ccccc1)NCc1cccc(Cl)c1
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}