Using CCOC(=O)c1c(-c2ccccc2)c(-c2ccccc2)nn1Cc1ccccc1 to produce OCc1c(-c2ccccc2)c(-c2ccccc2)nn1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.