Using CCCO, CCOC(=O)C(C)Oc1ccc(N(C)c2nnc3cc(Cl)ccc3n2)cc1 to produce CCCOC(=O)C(C)Oc1ccc(N(C)c2nnc3cc(Cl)ccc3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.