Using CCOC(=O)Cc1c(C)n2c3c(cccc13)CCC2, CC(C)C(=O)Cl to produce CCOC(=O)Cc1c(C)n2c3c(cc(C(=O)C(C)C)cc13)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.