Using CCOC(C)=O, Cc1c(C=O)c(=O)n(C)c(=O)n1C(C)C to produce CC(C)n1c(=O)n(C)c(=O)c2cn(C3Cc4ccccc4C3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.