Using CC1(C)OB(c2cnc(N)nc2)OC1(C)C, Clc1nc(N2CCOCC2)c2c(n1)N1CCOCC1CO2 to produce Nc1ncc(-c2nc(N3CCOCC3)c3c(n2)N2CCOCC2CO3)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.