Using COC(Cn1cc(N)c(=O)c(OCc2ccccc2)c1C(=O)NCc1cccc(Cl)c1)OC, CCC(=O)Cl to produce CCC(=O)Nc1cn(CC(OC)OC)c(C(=O)NCc2cccc(Cl)c2)c(OCc2ccccc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.