Using COc1ccc(Nc2cccc(C(=O)O)c2C(=O)O)c(OC)c1, C[C@]1(N)CCC(=O)NC1=O to produce COc1ccc(Nc2cccc3c2C(=O)N([C@@]2(C)CCC(=O)NC2=O)C3=O)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.