Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1cccc(CNC2CCCC2)c1
b. CCN(C(=O)Cn1c(=O)oc2cc(S(=O)(=O)N3CCCC3)ccc21)c1ccc(OC)cc1
c. CCCn1c(CCNc2nc(-c3ccc(Cl)c([N+](=O)[O-])c3)cs2)nc2cc(Cl)c(Cl)cc21
d. CCCc1nnc(NC(=O)c2c(O)c3cccc4c3n(c2=O)CCC4)s1
Answer: a, b, c, 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}