Using Cc1cccc(NC(=O)NCC(=O)O)c1, CC(C)(C)OC(=O)C1CCC(c2ccccc2)N1 to produce Cc1cccc(NC(=O)NCC(=O)N2C(C(=O)OC(C)(C)C)CCC2c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.