Using CCOC(=O)C1=C(O)c2cc3ccccc3n2CC1, C=CC(=O)OC to produce CCOC(=O)C1(CCC(=O)OC)CCn2c(cc3ccccc32)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.