Using COC(=O)Cc1cccc(-n2c(=O)c(Cc3ccccc3)nc3cccnc32)c1 to produce O=C(O)Cc1cccc(-n2c(=O)c(Cc3ccccc3)nc3cccnc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.