Task: Please answer the multiple choice question.
Question: Which molecules are a 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. CCC1Sc2ccccc2OC1c1ccc(OCCCN2CCCC2)cc1
b. Nc1ccnc(N2CCC(N(C(=O)C3CC3)c3ccccn3)CC2)c1
c. Cc1[nH]nc2c1c(=O)n(C[C@H](F)CN)c1cc(C3CCCCC3)c(C3CCCCC3)cc21
d. N=C(c1ccc(C(=O)Nc2ccc(Cl)cc2C(=O)Nc2ccc(Cl)cn2)cc1)N1CCC(C(=O)O)CC1
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}
1-[3-[4-(3-ethyl-2,3-dihydro-1,4-benzoxathiin-2-yl)phenoxy]propyl]pyrrolidine