Using C=CCOC(=O)c1ccc2c(c1)c(C)c(C)n2Cc1cccc(C(=O)OC)c1 to produce COC(=O)c1cccc(Cn2c(C)c(C)c3cc(C(=O)O)ccc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.