Using CCOC(=O)c1c(O)c2ccc(OCc3ccccc3)cc2c(=O)n1CC(C)(C)C, CCCCO to produce CCCCOc1c(C(=O)OCC)n(CC(C)(C)C)c(=O)c2cc(OCc3ccccc3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.