Using CCOC(=O)C[C@H](c1ccccc1)n1c(=O)n(Cc2cn(C)c3cccc(C)c23)c2cnc(C3CC3)nc21 to produce Cc1cccc2c1c(Cn1c(=O)n([C@H](CC(=O)O)c3ccccc3)c3nc(C4CC4)ncc31)cn2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.