Using CC(C)(C)OC(=O)[C@H](NC(=O)NC1CCCC1)c1ccccc1 to produce O=C(NC1CCCC1)N[C@@H](C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.