Using O=C(O)c1cc(-c2ccccc2)c(=O)n2c1-c1sccc1CC2, CC(C)O to produce CC(C)OC(=O)c1cc(-c2ccccc2)c(=O)n2c1-c1sccc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.