Using Cc1ccccc1[C@@H](O)CCC(=O)OC(C)(C)C, CC(=O)c1ccc(OCc2cccnc2)cc1O to produce CC(=O)c1ccc(OCc2cccnc2)cc1O[C@H](CCC(=O)OC(C)(C)C)c1ccccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.