Using O=Cc1ccc2ccccc2c1, CCOC(=O)c1cnc(N2CC3CNCC3C2)nc1 to produce CCOC(=O)c1cnc(N2CC3CN(Cc4ccc5ccccc5c4)CC3C2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.