Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
a. Cc1nc(C(=O)NCCCN2CCN(c3cccc(Cl)c3Cl)CC2)c(C)n1-c1ccccc1.Cl.Cl.Cl.Cl
b. N#Cc1ccc(-c2cnc3c(c2)[C@]2(COC(N)=N2)c2cc(-c4cccnc4F)ccc2O3)cc1
c. CCOC(=O)[C@H](C)N(C)C(=O)c1cc(C(=O)N[C@H](CC)c2ccccc2)c2n1CCOC2
d. O=C(c1ccc(F)cc1)N1CCN(c2ccc(OC3CCN(C4CCC4)CC3)cc2)C(=O)C1
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}
4-[(4S)-2-amino-7'-(2-fluoropyridin-3-yl)spiro[5H-1,3-oxazole-4,5'-chromeno[2,3-b]pyridine]-3'-yl]benzonitrile