Using CCOC(=O)CP(=O)(OCC)OCC, CCCCCC(CC(=O)Nc1cc(C=O)ccc1C(C)(C)C)c1cccc(OC)c1OC to produce CCCCCC(CC(=O)Nc1cc(CCC(=O)OCC)ccc1C(C)(C)C)c1cccc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.