Using CCCc1ncccc1N(CC(=O)OCC)Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1 to produce CCCc1ncccc1N(CC(=O)O)Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.