Using Cc1ccc2c(c1)c1c(n2CCC(=O)O)CCN(C)C1, NC1CCCCC1 to produce Cc1ccc2c(c1)c1c(n2CCC(=O)NC2CCCCC2)CCN(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.