Using O=C1Cc2ccccc2C1, COC(=O)c1c(C)nc2ccc(N)cc2c1-c1ccccc1 to produce COC(=O)c1c(C)nc2ccc(NC3Cc4ccccc4C3)cc2c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.