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, d, or e without using any other words.
Options:
a. CCn1c(SCC(=O)N/N=C/C=C\c2ccccc2[N+](=O)[O-])nc2ccccc21
b. COc1cc(C(=O)OC(C)CN2CCOCC2)cc(OC)c1OC
c. COc1ccccc1N1C[C@@H]2C[C@@H](c3ccco3)N3CCC[C@@]23C1=O
d. COCc1nnc(NC(=O)CS(=O)(=O)c2ccc(C)cc2)s1
e. NCCCC[C@H]1CN=C(N)N1CCCCC1CCCCC1
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}