Using OCCNC1CCCCC1, CCOC(=O)CCCOc1ccc2[nH]c(=O)ccc2c1 to produce O=C(CCCOc1ccc2[nH]c(=O)ccc2c1)N(CCO)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.