Using CCOC(=O)CCCCCc1ccc2cc(-c3ccccc3)c(-c3ccccc3)nc2n1 to produce CCOC(=O)CCCCCC1CCc2cc(-c3ccccc3)c(-c3ccccc3)nc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.