Using CCN=C=O, CNC(=O)[C@H](Cc1ccc(OCc2ccccc2)c(O)c1)NC(=O)OC(C)(C)C to produce CCNC(=O)Oc1cc(C[C@H](NC(=O)OC(C)(C)C)C(=O)NC)ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.