Using NCC1(O)CN2CCC1CC2, Cn1nc(C(=O)O)c2ccccc21 to produce Cn1nc(C(=O)NCC2(O)CN3CCC2CC3)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.