Using COC(=O)CCN, Cc1ccc2cc(NC(CC(C)C)c3ccc(C(=O)O)cc3)cnc2c1 to produce COC(=O)CCNC(=O)c1ccc(C(CC(C)C)Nc2cnc3cc(C)ccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.