Using COC[C@H](C)Nc1cc2c(cc1N)C(C)(C)C(=O)N2C, Cc1cc(C(=O)O)cn(C)c1=O to produce COC[C@H](C)Nc1cc2c(cc1NC(=O)c1cc(C)c(=O)n(C)c1)C(C)(C)C(=O)N2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.