Using COC(=O)[C@H](O)CNC(=O)c1ccc(CN(c2nc3ccccc3n2C)C2CCC(C(C)(C)C)CC2)cc1 to produce Cn1c(N(Cc2ccc(C(=O)NC[C@@H](O)C(=O)O)cc2)C2CCC(C(C)(C)C)CC2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.