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) O=C(O)CN(CCN(CC(=O)O)CC(=O)O)CC(=O)O.[Cu+2]
(b) Cc1ccc(-c2nc(NC(=O)CC3CCN(C)CC3)cc(-n3nccc3C)n2)o1
(c) C#CCOCCCC(=O)O
(d) CS(=O)(=O)Nc1ccc2c(c1)C(=O)CC1(CCN([C@@H]3CCc4cc(C#N)ccc4C3)CC1)O2
Answer: a, c
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}
4-prop-2-ynoxybutanoic acid