Using CC(=O)O, CCOC(=O)N1CC2CC(Cc3c[nH]c4ccc(-n5cnnc5)cc34)NC2C1 to produce CCOC(=O)N1CC2CC(Cc3c[nH]c4ccc(-n5cnnc5)cc34)N(C)C2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.