Using COc1ccc(S(=O)(=O)c2ccc(C3CCNC3)c(C)c2)cc1, C=O to produce COc1ccc(S(=O)(=O)c2ccc(C3CCN(C)C3)c(C)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.