Using CC(C)(C)OC(=O)Nc1ccc(CC(=O)O)cc1, Cn1c(N)c(N)c(=O)n(C)c1=O to produce Cn1c(N)c(NC(=O)Cc2ccc(NC(=O)OC(C)(C)C)cc2)c(=O)n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.