Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1ccc(NC(=N)NCCCOc2ccc(F)cc2)cc1
b. Cc1cccnc1C(=O)N1CCC(C)(N2CCC(N(c3ccccc3)c3cccnc3)CC2)CC1
c. CCC[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1NC(=O)CNC(=O)c1cccc(C(F)(F)F)c1
d. NC1=NCC2c3ccccc3Cc3ccccc3N12
Answer: a, b
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}
1-[3-(4-fluoranylphenoxy)propyl]-3-(4-methoxyphenyl)guanidine