Using CC(=O)O, COc1ccc2ncc(OCCN3CCC(NCc4ccc5c(c4)NC(=O)CS5)CC3)nc2c1 to produce COc1ccc2ncc(OCCN3CCC(N(C)Cc4ccc5c(c4)NC(=O)CS5)CC3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.