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] O=C(NNC(=S)NCc1ccc(Cl)cc1)c1cccnc1
[b] Cc1ccn2c(=O)nc(SCC(=O)N3N=C(c4cccs4)CC3c3ccc(F)cc3)nc2c1
[c] O=C(Nc1ccc(N2CCOCC2)cc1)c1cc(-n2cnnc2)ccc1Cl
[d] COc1ccc(C(=O)NC(=S)N2CCCCC2)cc1[N+](=O)[O-]
[e] COC(=O)/C(=C\c1ccc([N+](=O)[O-])o1)NC(=O)c1ccccc1
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}