Using CCOCCl, Cn1nc(CO)nc1NCCCOc1cccc(CN2CCCCC2)c1 to produce CCOCOCc1nc(NCCCOc2cccc(CN3CCCCC3)c2)n(C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.