Using Cc1ccc(N)c(OC[C@H](NC(=O)OC(C)(C)C)C(=O)O)c1 to produce Cc1ccc2c(c1)OC[C@H](NC(=O)OC(C)(C)C)C(=O)N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.