Using CCOC(=O)c1cnn2c(C3CCCCC3)c(-c3ccc(Cc4ccccc4)cc3)cnc12 to produce O=C(O)c1cnn2c(C3CCCCC3)c(-c3ccc(Cc4ccccc4)cc3)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.