Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCC1(c2ccccc2)C(=O)NC(=O)NC1=O
b) CCS(=O)(=O)N(C)[C@H]1c2cc(C#N)ccc2OC(C)(C)[C@@H]1O
c) COc1ccc(CNC(=O)c2cc3cc(Cl)ccc3o2)c(OC)c1
d) COc1cccc([C@H](O)C2CCN(CCc3ccc(F)cc3)CC2)c1OC
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione