Using C1COCCO1, C=CCc1cnc2c(ccn2S(=O)(=O)c2ccc(C)cc2)c1Cl to produce Cc1ccc(S(=O)(=O)n2ccc3c(Cl)c(CC=O)cnc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.