Using CCOC(=O)c1c(Cl)cc(-c2c(CC)cccc2CC)nc1C, CB(O)O to produce CCOC(=O)c1c(C)cc(-c2c(CC)cccc2CC)nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.