Using COC(=O)C(O)c1c(C)nc2sc3c(c2c1Cl)CCCC3, CCI to produce CCOC(C(=O)OC)c1c(C)nc2sc3c(c2c1Cl)CCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.