Using NCCO, CC1(C)C(C(=O)c2cn(CC3CCOCC3)c3ccc(C(=O)O)cc23)C1(C)C to produce CC1(C)C(C(=O)c2cn(CC3CCOCC3)c3ccc(C(=O)NCCO)cc23)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.