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 other words.
Options:
a O=C(Nc1ccc([N+](=O)[O-])cc1)/C(=C/c1cccc([N+](=O)[O-])c1)NC(=O)C1CCCCC1
b CSCCC(NC(=O)c1c(C)oc2c1CCCC2)C(=O)O
c CS/C(=C\[N+](=O)[O-])Nc1ccc(OC(F)(F)F)cc1
d O=C(Nc1nc2c(s1)CN(Cc1ccccc1)CC2)c1cccc(S(=O)(=O)N2CCc3ccccc32)c1
e COc1cc(/C=N/N=C(/N)c2nonc2N)cc(Br)c1OCc1ccccc1C
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}