Using CCOC(=O)c1cc(C2CC2)c2c(C)c(-c3cc(C)c(NC(=O)OC(C)(C)C)c(C)c3)ccn2c1=O to produce Cc1cc(-c2ccn3c(=O)c(C(=O)O)cc(C4CC4)c3c2C)cc(C)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.