Using CCOC(=O)CC[C@H](NC(=O)c1ccc(C(COC2CCCCO2)Cn2cnc3nc(NC(=O)C(C)(C)C)cc-3c2O)cc1)C(=O)OCC to produce CCOC(=O)CC[C@H](NC(=O)c1ccc(C(CO)Cn2cnc3nc(NC(=O)C(C)(C)C)cc-3c2O)cc1)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.