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, d, or e without using any other words.
Options:
a: Cc1cc2c(s1)=Nc1ccccc1NC=2N1CCNCC1
b: CCOC(=O)N1CCN(CCOc2cc(C)n(-c3ccc(Cl)c(Cl)c3)n2)CC1
c: NS(=O)(=O)c1ccc(Oc2cnc3ccc(=O)n(CCN4CCC(c5nc6cc(C(F)(F)F)ccc6[nH]5)CC4)c3c2)cc1
d: CC1(C)C=C(c2cnc3c(c2)[C@]2(COC(N)=N2)c2cc(-c4cccnc4F)ccc2O3)CCO1
e: N#Cc1ccc2ccc(=O)n(CCN3CC[C@@H](NCc4ccc5c(n4)NC(=O)CO5)[C@@H](O)C3)c2c1
Answer: 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}
ethyl 4-[2-[1-(3,4-dichlorophenyl)-5-methylpyrazol-3-yl]oxyethyl]piperazine-1-carboxylate