Using CCOC(=O)CCCCc1c(CN2C(=O)c3ccccc3C2=O)nn2c(CC)ccc2c1-c1cncc(C)c1 to produce CCOC(=O)CCCCc1c(CN)nn2c(CC)ccc2c1-c1cncc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.