Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCc1cnc2c(N3CC(NC)C3)nc(N)nc2c1
b: COc1cccc(-c2cccc(C3(C)CCSC(N)=N3)c2)c1
c: O=S(=O)(NCC1CC2(c3ccc(F)cc3)NC1CCC2NCc1cc(OC(F)(F)F)ccc1OC1CC1)c1ccccc1
d: CCOC(=O)C1=C(CN2CCOCC2)NC(c2nccs2)=NC1c1ccc(F)cc1Cl
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}
7-ethyl-4-[3-(methylamino)azetidin-1-yl]pyrido[3,2-d]pyrimidin-2-amine