Using Clc1nc(N2CCOCC2)nc(N2CCOCC2)n1, Brc1c[nH]cn1 to produce BrC1=CN(c2nc(N3CCOCC3)nc(N3CCOCC3)n2)CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.