Using Cc1cc(Cl)ccc1NC(=O)Nc1cn(CC2CC2)c(C(=O)O)n1, NCCCN1CCOCC1 to produce Cc1cc(Cl)ccc1NC(=O)Nc1cn(CC2CC2)c(C(=O)NCCCN2CCOCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.